Help:TemplateData

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TemplateData è un modo di organizzare le informazioni concernenti wikitext template e i suoi parametri, affinché l'editor visuale possa recuperarli e visualizzarli nel suo editor di template, facilitando la modifica di pagine che usano quel template. È anche usato altrove in script, strumenti e gadget.

Since April 2019, TemplateData is part of the default user experience for all users on all Wikimedia wikis when they add a template, including unregistered users. Both the default source and visual editors incorporate it in some way. It is also used elsewhere in scripts, tools and gadgets. Se Hai la tua wiki, allora devi installare Extension:TemplateData.

Adding TemplateData to a template essentially consists of inserting a small block of JSON code (explained below) on the template's documentation page. There are two main ways you can do this, either manually or by using the TemplateData editor, a graphical user interface located on the "Edit"/"Edit source" pages of templates on wikis with the TemplateData extension installed. The JSON contains a list of parameters with info about each parameter of the template as well as the template as a whole. These are outlined below.

Once a template has TemplateData, this information will show in the user interface when a user adds the template, sometimes in place of original info or sometimes as additional info. In some cases, it may change how the editor behaves when editing or inserting the template. This can make it much easier for users to identify what they need to do with the template when adding it.

History

TemplateData was originally developed in early 2013 with VisualEditor in mind, which was in MediaWiki testing stages at the time. VisualEditor is the main visual editing interface for Wikimedia wikis, and TemplateData allowed it to have a more useful interface when adding templates. It was officially supported by VisualEditor immediately. As VisualEditor was rolled out to the various major Wikimedia wikis as a default feature from 2013 through 2016, TemplateData became a part of them as well.

In March 2018, Sam Wilson developed TemplateWizard , a GUI template editor extension for the default Wikimedia source editor, WikiEditor (otherwise known as the 2010 wikitext editor), designed to make the process of adding templates easier by using information from TemplateData. In April 2019, TemplateWizard was made a default part of the 2010 wikitext editor on all Wikimedia wikis. This meant that TemplateData was now a default part of both the visual editor and the source editor on Wikimedia wikis.

Editor del TemplateData

C'è uno strumento integrato per modificare facilmente TemplateData.

Per usare l'editor di TemplateData, vai alla pagina del template (o alla sotto-pagina di documentazione) e premi "Edit". Comparirà il tasto "Gestisci TemplateData", proprio sopra la finestra di edit:

Manage template documentation button for TemplateData 2014.png

Clicca questo tasto per abilitare l'interfaccia GUI (Graphic User Interface) e modificare TemplateData.

Una schermata dello strumento di editing TemplateData

L'editore permette di aggiungere parametri e stabilire gli attributi più comuni. Se la pagina che hai modificato già contiene un blocco di TemplateData, le informazioni già documentate verranno automaticamente visualizzate quando si apre la pagina corretta nell'editor TemplateData. Nel primo box(casella), puoi aggiungere o aggiornare una breve descrizione del modello in testo normale. Successivamente, è possibile utilizzare i pulsanti "Aggiungi parametri suggeriti" e "Aggiungi parametro" per documentare i nomi e gli attributi dei parametri utilizzati dal modello.

È possibile elencare il nome del parametro, eventuali alias per esso, l'etichetta e la descrizione che verrà visualizzata agli utenti. Puoi anche fornire un esempio su come utilizzare il parametro. L'unico campo obbligatorio è Name (il primo campo in ogni riga), che è dove si registra il nome esatto, case-sensitive (rispettando maiuscole e minuscole) del parametro. Nel menu a discesa "Type", puoi scegliere il tipo di contenuto che il parametro dovrebbe ricevere, come una stringa (per le risposte in testo semplice), la pagina (per i collegamenti ad altre pagine) o le date.

Se il template produce un errore se questo parametro è lasciato vuoto, contrassegnarlo come "Required". Se il parametro è comunemente usato o consigliato, contrassegnarlo come "Suggested". Il pulsante "Remove parameter information" cancellerà la voce del parametro da TemplateData.
Screenshot dell'editor TemplateData, che mostra un secondo parametro che viene aggiunto

Quando hai finito di documentare ciascuno dei parametri, fai clic su "Apply" per inserire il TemplateData preformattato nella casella di modifica aperta. Devi comunque salvare la pagina, utilizzando il normale pulsante "Save" sotto la finestra di modifica.

Attenzione: L'editor TemplateData posizionerà TemplateData sulla pagina del template o su una sottopagina della documentazione. Determinare dove verrà aggiunto TemplateData aprendo (modificando) la pagina in cui si desidera posizionare TemplateData. Tuttavia, se più blocchi TemplateData sono posizionati sullo stesso template, verrà utilizzato solo uno di questi blocchi. Se esiste già TemplateData in una pagina, è necessario modificare la pagina in cui è stato precedentemente posizionato TemplateData per evitare la creazione accidentale di più blocchi.

Ubicazione di TemplateData

TemplateData deve trovarsi nella pagina che descrive o essere incorporato in essa. In un template, in genere deve essere racchiuso tra i tag <noinclude> . Nel rendering di una pagina normale, visualizza la documentazione generata automaticamente come mostrato in #Example.

Struttura di TemplateData

La struttura di TemplateData è basata sullo standard JSON. Si noti che tutte le descrizioni in TemplateData devono essere in testo semplice (senza wikitext, senza collegamenti, ecc).

La prima cosa da fare è digitare un paio di tag <templatedata>, ovunque nella sottopagina della documentazione del template, in questo modo:

<templatedata>
{
    ...       // Il contenuto di TemplateData va qui
}
</templatedata>

Questo dice al software che ogni cosa tra i due tag è TemplateData, e dovrebbe essere referenziata quando viene usato il template.

Esempio

Le descrizioni all'interno di TemplateData seguono un layout standard; supponiamo che tu abbia un template chiamato "Commons" per il collegamento a una categoria di Commons su un argomento. Ci vuole un parametro obbligatorio: il nome della categoria su Commons. Il TemplateData sarebbe simile a questo:

<templatedata>
{
    "description": "Un template per il collegamento a una categoria di Commons su un articolo",
    "params": {
        "1": {
            "label": "Categoria principale",
            "description": "La categoria di Commons che desideri collegare.",
            "default": "Category:CommonsRoot",
            "type": "string",
            "required": true
        }
    }
}
</templatedata>

Questo lo visualizza, nel template, così:

Un template per il collegamento a una categoria di Commons su un articolo

Template parameters

ParameterDescriptionTypeStatus
Categoria principale1

La categoria di Commons che desideri collegare.

Default
Category:CommonsRoot
Stringrequired

Descrizione e parametri

Each parameter for TemplateData is listed below with a description and example. They are also listed at Extension:TemplateData#Format.

The order of the parameters does not affect functionality, as long as those within, for example, the "params" object are kept within the object.

This information is current as of February 2020 and may change if new parameters are added or the template editing interfaces get updates to treat certain parameters differently or fix certain behaviours.
Parameter Description Example
description

Il primo tag è un "description", che descrive cosa fa il template. It is optional but highly recommended.

Wiki markup will not work in the description. It is strictly a plain text string.

Effects

On the template documentation page, the description will show in plain text below the "Template data for [template name]" subheading.

In all main editors (VisualEditor , the Editor di wikitesto 2017 and the 2010 wikitext editor with TemplateWizard), the description shows in two main instances:

  • below the template name in each search suggestion when the user is searching for a template
  • below the template name in the template editor, while they are adding values to parameters in the template.

In the VisualEditor and 2017 wikitext editor, approximately 50 characters of the description show under each search suggestion, followed by a "...", but the whole description shows in the main template editor window. Both are shown in grey text.

In the 2010 wikitext editor with TemplateWizard, the whole description shows under each search suggestion, in grey text. In the main template editor window, descriptions longer than four lines (about 540 characters) are provided a separate scrollbar, and they are shown in black text.

If not specified

If the description parameter does not exist or is not specified, the text "No description." will be displayed in the TemplateData documentation below the "Template data for [template name]" subheading. Additionally:

  • in VisualEditor and the 2017 wikitext editor, it will behave the same as a template that does not have TemplateData; instead of a description, the following text will display:
"The "Template:Cleanup/sandbox" template doesn't yet have a description, but there might be some information on the template's page."
  • in the 2010 wikitext editor with TemplateWizard, the following text will display where the description would be (though not in search suggestions):
"No description exists for this template."
This is different to the two standard placeholder descriptions when TemplateData doesn't exist:
  • "Due to missing TemplateData, parameters for this template have been auto-generated. Please be aware that they may not be accurate."
  • "No parameters could be determined for this template due to absence of TemplateData documentation. You may insert the template without parameters."
"description": "Un template per il collegamento a una categoria di Commons su un articolo",
format

Il prossimo è "format", che descrive come dovrebbe essere la rappresentazione wikitext del template.

Questo si può impostare come "inline" ($default) o "block", o in un formato personalizzato; vedi sotto per maggiori dettagli.

This parameter is not required, but it is recommended. The default behaviour when this parameter does not exist is inline formatting, and no corresponding notice is displayed in the TemplateData documentation below the table heading.

Effects

Inline:

Se il parametro è configurato come "inline" creerà una rappresentazione di wikitext senza spazio bianco, così:

"[circles and pipes icon] This template prefers inline formatting of parameters."

When inserted, the template will lay its wikitext out on a single line with no white space between elements, like so:

{{Foo|bar=baz|qux=quux}}

Block:

Se il parametro è configurato come "block" creerà una rappresentazione di wikitext con salti di linee e spazi singoli tra ogni parte, così:

"[stacked blocks and pipes icon] This template prefers block formatting of parameters."

When inserted, the template will distribute its parameters each on a new line, with single spaces between each element, like so:

{{Foo
| bar = baz
| qux = quux
}}

Custom formatting:

Alternatively, if the parameter is set to a custom string of wikitext, as per the rules listed at #Custom formats, the template will display the following preference notice in its TemplateData documentation:

"[cogwheel icon] This template has custom formatting."

When inserted, the template will lay its wikitext out as per the given wikitext.

"format": "inline"
params

Esiste quindi un tag "params", che indica che le sezioni successive coprono ciascun parametro nel template.

It should contain the name of each parameter followed by a set of TemplateData sub-parameters listed in #Within the parameter's name.

If there are multiple parameters, separate each parameter object with a comma between each one, after the closing curly bracket (i.e. not after the last one).

"params": {
    "parameter1": {
        ...    //  parameter info
    },      // comma here
    "parameter2": {
        ...    //  parameter info
    },      // e qui
    "parameter3": {
        ...    //  parameter info
    }       //  but not here
}
paramOrder

The "paramOrder" object in an optional object that can force the parameters of a template to show in a specific order when added in the template editor.

It is used by adding the parameter "paramOrder", followed by a colon and space, then including the name of each of the template's parameters in speech marks in a desired order, separated by commas, between two square brackets (an array). The parameters do not have to be on new lines (they can be "paramOrder": ["param1","param2","param3"]), but placing them on new lines may aid in legibility. Every parameter mentioned in the TemplateData must be included, or an error will show.

Effects

In VisualEditor and the 2017 wikitext editor, paramOrder forces its order regardless of the status of each parameter.

In the 2010 wikitext editor with TemplateWizard, "required" parameters will always appear at the top, while "suggested" parameters will always appear second, above "optional" ones ("deprecated" parameters won't appear at all; see the description of "deprecated" for more info). paramOrder will only enforce its order within these categories (i.e., all "required" parameters will be in the order specified by "paramOrder", and all "suggested" parameters will be too, but all "suggested" parameters will appear below all "required" parameters).

"paramOrder": [
	"date",
	"reason",
	"talk"
]

Within params

Parameter Description Example
parameter name

In ciascuna sottosezione di parametro, la prima etichetta è il nome del parametro del template dentro il template.

For example, in a template's source code, if you see {{{date}}}, this is a parameter, and this should be added under "params" with the name "date".

You may also see parameters named {{{1}}} or another number (whose TemplateData name should be, for example, "1"). These parameters behave in such a way that, when a user inserts a template, they can omit their name and the equals sign (i.e., |value| instead of |parametername=value|). Their number indicates which empty parameter they are when multiple empty parameters are used. For example, expect that in

{{example template|value1|value2}}

value1 is the value of parameter {{{1}}}, and value2 is the value of parameter {{{2}}}. Make sure to describe your TemplateData parameters accordingly. Note: a user can still force the use of {{{2}}} without {{{1}}} by simply inserting a parameter named "2" in the template editor or typing "|2=" in wikitext.

Each of these "parameter name" objects should contain all of the information about the parameter, in the form of more parameters. These are listed in the following section, Within the parameter's name.

"1": {     // nome del parametro
    ...    // informazione sul parametro va qui
}

Within the parameter's name

Parameter Description Example
aliases

The "aliases" parameter is a optional item for when a template parameter has multiple names. You can check this by going into the template's source code and looking for:

{{{parameter1|{{{parameter2}}}}}}, or {{{parameter1|{{{parameter2|}}}}}}

This literally translates to, "Value of parameter1. If parameter1 doesn't exist or have a value, value of parameter2." In the second case, it also means, "If parameter2 doesn't exist or have a value, no value." This means that if the user inserts either of these parameters with a value, they will perform the same function.

To insert the "aliases" parameter, add the text "aliases" followed by a colon and space, then include the name of each of the parameter's aliases in speech marks, separated by commas, between two square brackets (an array).

"aliases": ["1", "talk", "talksection"]
inherits

"inherits" is an optional parameter for when a parameter should inherit all of the TemplateData of another parameter. This can then be overridden by any parameters specified for the inheriting parameter.

To use this parameter, type "inherits" : followed by another template parameter's name, such as "talk" or "1". You can then type another specific setting for the parameter underneath if you wish, like "label" : "A different label". The first parameter will inherit all of the second parameter's properties except this one.

    "params": {
        "argomento1": {
            "label": "Argomento",
            "description": "A topic mentioned on this disambiguation page",
            "type": "string"
        },
        "argomento2": {
            "inherits": "argomento1"
        },
        "argomento3": {
            "inherits": "argomento1",
            "label" : "A different label"
        }
    }
label

Dopo abbiamo "label", nella quale metti un titolo leggibile che verrà visualizzato dentro l'editore di template. It displays this in place of the parameter's raw name. This parameter is optional but highly recommended.

"label": "Month and year",
description

Abbiamo quindi "description": questa volta, è una descrizione del parametro, non del template nel suo insieme.

This description is shown in a tooltip when the user hovers over the "i" symbol next to the parameter in the template editor. It is optional but highly recommended.

"description": "The month and year that the template was inserted.",
type

Dopodiché abbiamo "type", che controlla come l'editor di template interpreterà quel parametro. I tipi più comuni sono:

In some cases, template editors are programmed to modify the user interface for a certain parameter according to its value type, such as to only allow the user to enter valid values that match that type. This parameter does not have any functional effect on the parameter or its value; it merely controls how template editors see and treat the parameter in editing mode. The most common types are:

  • "string" - una sequenza di caratteri, come questa frase
  • "number" - un insieme di cifre;
  • "boolean" - '0' for false, '1' for true, '' for unknown;
  • "wiki-user-name" - una sequenza di caratteri che rappresenta il nome di un utente;
  • "wiki-page-name" - una sequenza di caratteri che rappresenta il titolo di una pagina.
  • "wiki-file-name" - un nome di file.

Other types include: "unknown", "date", "url", "wiki-template-name", "content", "unbalanced-wikitext", "line"

To see the effects of the type parameter, see the section #Effects of the type parameter.

"type": "string",
default

Occasionally, a template parameter is programmed to have a default value that is used unless you change it. The "default" item is an optional item intended to tell the user what this value is. The value does not have to match the actual default and has no functional effect. Puoi ignorare questo parametro se non c'è nessun valore predeterminato.

Effects

In all main editors (VisualEditor, 2017 wikitext editor and the 2010 wikitext editor with TemplateWizard), the "default" text will show as grey text in the input box of any open parameter when it is empty, in the format "Default: default text". Additionally, it will show in plain black text in the parameter description (when the user hovers over the "i" symbol). In VisualEditor and the 2017 wikitext editor, this will be below the parameter description, below "Field is required"/"Field is deprecated", if specified (the 2010 wikitext editor doesn't show this text), and above "example", if specified ("example" does not show in the parameter description in the 2010 wikitext editor). In the 2010 wikitext editor with TemplateWizard, the "default" text shows directly after the parameter description, on the same line, following a space. It shows in the same format as the other editors ("Default: default text").

With other parameters

In all main editors (VisualEditor, 2017 wikitext editor and the 2010 wikitext editor with TemplateWizard), if "default" is specified, the "example" value will not show in the input box.

"default": "Category:CommonsRoot",
autovalue

È possibile specificare un "autovalue" per un parametro. Quando gli utenti aggiungono il template a una pagina wikipedia, questo valore verrà aggiunto automaticamente. Ad esempio, molti template di pulizia devono avere sempre la data; se si specifica un autovalore per il parametro data del modello, la data verrà compilata automaticamente.

This parameter does not force the value to always be this value. The user can freely change the value that is automatically inputted into the parameter in the template editor.

With other parameters

In all main editors (VisualEditor, 2017 wikitext editor and the 2010 wikitext editor with TemplateWizard), "autovalue" overrides the visible effects of "url" in VisualEditor and the 2017 wikitext editor. See the description for "type" for more info.

"autovalue": "{{subst:CURRENTMONTHNAME}} {{subst:CURRENTYEAR}}"
example

The "example" value is an optional value intended to display an example input to show how the parameter is used.

Effects

In all main editors (VisualEditor, 2017 wikitext editor and the 2010 wikitext editor with TemplateWizard), it shows a grey text in the input box of any open parameter when it is empty, in the format "e.g. example text". Additionally, in VisualEditor and the 2017 wikitext editor, it shows the same text in black, non-italic font below the parameter description (and below the "default" text, if specified).

With other parameters

In all main editors (VisualEditor, 2017 wikitext editor and the 2010 wikitext editor with TemplateWizard), "example" will not show in the input box if "default" is specified.

"example": "January 2013",
required

Dopo abbiamo "required", che si può configurare come true o false. If you don't specify, it will be assumed to be false.

Questo semplicemente controlla se la compilazione del parametro è obbligatoria per quel modello. Se non lo si specifica, il default è $false.

Effects

This status has several effects in VisualEditor and the Editor di wikitesto 2017 :

  • it makes the parameter automatically show up when a user inserts a template;
  • it shows a grey asterisk next to the parameter label;
  • it shows a black asterisk within the input box, on the right;
  • it shows the grey, italic text "Field is required" below the parameter description;
  • it makes the input box glow red if the user clicks away without entering a value;
  • if a user attempts to insert the template without a value in the required parameter, it will show them a prompt, asking if they are sure. If they confirm, it will insert the parameter with a blank value. It will not stop them from inserting the template, though, and it does not result in a visible error by itself (though templates can be programmed to display an error when a required parameter is not filled in).

In the 2010 wikitext editor with TemplateWizard, like in the other editors, it causes the parameter to automatically show up when a user inserts a template, but in this editor the parameter cannot be removed. It also does not display "Field is required" in the parameter description; rather, it lists the parameter on the side under "Required parameters". Other than this, it generally behaves the same as in the other editors, except that the prompt says that the input doesn't "match the expected format".

With other parameters

In VisualEditor and the 2017 wikitext editor, the "deprecated" status does not override the functionality of this parameter, but in the 2010 wikitext editor with TemplateWizard it does. See the description of "deprecated" for more info.

"required": true
suggested

Il tag "suggested", che può configurarsi come true o false.

If you don't specify, it will be assumed to be false.

Questo è uno stato per i parametri che non sono "richiesti" ma si consiglia agli utenti di mettere un valore elevato (ma non è obbligatorio). Se non lo si specifica, da default è $false.

Effects

In VisualEditor and the Editor di wikitesto 2017 , it causes the parameter to automatically show up when a user inserts a template. If the parameter has an autovalue set, this will also automatically be in the parameter's input box. It has no other effect and doesn't show any additional text or warnings.

In the <tvar|1>2010 wikitext editor with TemplateWizard, it does not place the parameter in the template automatically but instead causes it to be listed on the side under "Suggested parameters". The user can then click a "+" next to the parameter to add it to the template.

With other parameters

The "required" status overrides the functionality of this status in all main editors (VisualEditor, the 2017 wikitext editor and the 2010 wikitext editor). It also overrides the displayed "suggested" status in TemplateData documentation (it will display "required" if both "required" and "suggested" are set to true).

"suggested": true
deprecated

Infine, c'è "deprecated", che può essere impostato su true, false o una stringa che descrive cosa invece gli utenti dovrebbero fare. Se non lo specifichi, da default è false.

Questo è uno stato per i parametri che non dovrebbero essere più usati, ma esistono ancora per il momento.

Ciò potrebbe essere dovuto al fatto che gli usi del template vengono spostati da un set di parametri a un altro.

Effects

The effect of this parameter in VisualEditor and the 2017 wikitext editor is that a grey exclamation mark shows next to the parameter's label when it is inserted, and in the parameter's information tooltip, the grey, italic text "Field is deprecated" is shown below the parameter description. It does not affect the functionality or usability of the parameter or show any additional warnings.

Despite the fact that it can take a string, as of January 2020 none of the main editors (VisualEditor, the 2017 wikitext editor or the 2010 wikitext editor) display the contents of the string anywhere to users. Inputting a string has the same effect as true.

In the 2010 wikitext editor with TemplateWizard, setting this value as true does not allow the parameter to be added or seen.

With other parameters

If you set both this and "suggested" as true, the parameter status will show as "deprecated" in the TemplateData documentation, but in VisualEditor and the 2017 wikitext editor both functionalities will be retained; the parameter will automatically show up when a user inserts a template, but it will have the "deprecated" warnings around it.

If you set both this and "required" as true, the parameter status will show as "deprecated" in the TemplateData documentation, but in VisualEditor and the 2017 wikitext editor it will have the same functionality as only "required"; the parameter will automatically show up when a user inserts a template, and it will have the "required" warnings around it. This is the same for if you set "deprecated", "suggested" and "required" as true.

In the 2010 wikitext editor with TemplateWizard, "deprecated" overrides the parameters "required" and "suggested".

"deprecated": "Please use 'publicationDate' instead."

Note: if neither "required", "suggested" nor "deprecated" are set as true for a parameter, its status will show as "optional" in the TemplateData documentation.

Una volta che hai finito, premi "Save". Se hai commesso errori, non ti consente di salvare (che disturba, ma significa che non puoi fare nulla). In caso di errori, spiega sulla feedback page cosa stavi cercando di fare e saremo felici di aiutarti.

Note that if you are abusing a hack template to dynamically generate TemplateData, it cannot be checked for errors before saving.

Si noti che ogni bit di informazione è racchiuso tra virgolette (ad eccezione di true e false) e separato dal bit successivo da una virgola (a meno che non sia l'ultimo).

Effects of the type parameter

The "type" parameter can have multiple different effects or no effect depending on the value and depending on the template editor. Its effects are listed as follows.

"number":

The "number" value is intended for numerical values, including minus values and decimals.

  • In VisualEditor and the 2017 wikitext editor, "number" has no visible effect.
  • In the 2010 wikitext editor with TemplateWizard, "number", causes the input box to display a "+" and "-" button on either side, which raise or lower a number value in the input box, respectively, and the user can only type numbers into the box. The buttons can also lower the number into negatives.

"string":

The "string" value is intended for any string of plain text.

  • In all main editors (VisualEditor, 2017 wikitext editor and the 2010 wikitext editor with TemplateWizard), "string" has no visible effect compared to "unknown".

"line":

The "line" value is intended for content that should be forced to stay on one line.

  • In VisualEditor and the 2017 wikitext editor, "line" prevents a parameter's input box from allowing new lines, which are usually possible in these editors.
  • In the 2010 wikitext editor with TemplateWizard, "line" has no visible effect (input boxes do not allow new lines by default in this editor).

"url":

The https:// value is intended for a URL, with Internet protocol (e.g., "https://") included.

  • In VisualEditor and the 2017 wikitext editor, "url" makes the input box display an external link icon (a square with arrow pointing out of it) in the left hand side of the box and makes the box glow red when the user clicks away without entering a URL value that includes a valid Internet protocol (e.g., "https://", "ftp://" or "//") followed by some text. This second effect is similar to that of the "required" setting, but it does not warn the user if they attempt to insert the template without a valid URL. It also occurs with any status setting (such as "suggested" or "deprecated").
  • In the 2010 wikitext editor with TemplateWizard, "url" has no visible effect.

"wiki-page-name":

The "wiki-page-name" value is intended for a page name on a wiki.

  • In all main editors (VisualEditor, 2017 wikitext editor and the 2010 wikitext editor with TemplateWizard), "wiki-page-name" makes the parameter input box show a suggestion dropdown menu containing a list of pages on the wiki, such as Wikipedia articles, which can be selected. Namespaces can also be defined in the search. Additionally, in VisualEditor and the 2017 wikitext editor, it forces the input box content to stay on one line. It has no other visible effect and doesn't prevent a non-page from being inputted.

"wiki-file-name":

The "wiki-file-name" value is intended for a file name hosted either locally on a wiki or on Wikimedia Commons.

  • In VisualEditor and the 2017 wikitext editor, "wiki-file-name" has no visible effect.
  • In the 2010 wikitext editor with TemplateWizard, "wiki-file-name" makes the parameter input box show a suggestion dropdown menu containing a list of files hosted both locally and on Wikimedia Commons, which can be selected. It also shows the thumbnail of the files. It has no other visible effect and doesn't prevent a non-file from being inputted.

"wiki-template-name":

The "wiki-template-name" value is intended for the name of a template.

  • In all main editors (VisualEditor, 2017 wikitext editor and the 2010 wikitext editor with TemplateWizard), "wiki-template-name" makes the parameter input box show a suggestion dropdown menu containing a list of templates, which can be selected. Additionally, in VisualEditor and the 2017 wikitext editor, it forces the input box content to stay on one line. It has no other visible effect and doesn't prevent a non-template from being inputted.

"wiki-user-name":

The "wiki-user-name" value is intended for a username on a wiki.

  • In all main editors (VisualEditor, 2017 wikitext editor and the 2010 wikitext editor with TemplateWizard), "wiki-user-name" makes the parameter input box show a suggestion dropdown menu containing a list of actual users' names, which can be selected. Additionally, in VisualEditor and the 2017 wikitext editor, it forces the input box content to stay on one line. It has no other visible effect and doesn't prevent a non-username from being inputted.

"content":

The "content" value is intended for wikitext of page content, for example, links, images or text formatting.

  • In VisualEditor and the 2017 wikitext editor, "content" has no visible effect.
  • In the 2010 wikitext editor with TemplateWizard, "content" makes the parameter input box one line taller and allows new lines, which regular input boxes in the 2010 wikitext editor do not.

"unbalanced-wikitext":

The "unbalanced-wikitext" value is intended for wikitext that cannot stand alone, i.e. it lacks an opening or closing tag or refers to other parts of wikitext.

  • In VisualEditor and the 2017 wikitext editor, "unbalanced-wikitext" has no visible effect.
  • In the 2010 wikitext editor with TemplateWizard, "unbalanced-wikitext" makes the parameter input box one line taller and allows new lines, which regular input boxes in the 2010 wikitext editor do not.

With other parameters

  • In VisualEditor and the 2017 wikitext editor, "autovalue" overrides the visible effects of "url" - when both are set, the input box will not contain a URL icon nor glow red when the user clicks away without entering a valid URL.
  • In the 2010 wikitext editor with TemplateWizard, "number" overrides the effects of "autovalue" - the value of "autovalue" will not be automatically placed in the input box if the parameter type is "number".

Formati personalizzati

When editing the "format" value, you create custom formats by inputting a set of wikitext symbols using some predefined rules.

  • {{ - start of the template
  • _ - content (e.g., string, integer or parameter). This underscore serves to indicate the minimum length of a value in characters and can be repeated, like _______. If this length is not reached, it fills the remaining characters with spaces. This can be used to align all equals signs to a specific position after a parameter (if used with \n for new lines).
  • | - pipe (separates parameters)
  • = - equals sign (precedes the value of a parameter)
  • \n or pressing the enter key - new line (this will display as in the entry field)
  • - space (can be used with \n to indent new lines)
  • }} - end of the template

The wikitext should at least meet the minimum of {{_|_=_}}, otherwise there will be an invalid format string error.

Esempi di formati che puoi utilizzare
Obiettivo Formato stringa Uscita
Formattazione in linea {{_|_=_}}
inline
{{Foo|bar=baz|qux=quux}}{{Bar}}
Blocca la formattazione {{_\n| _ = _\n}}
block
{{Foo
| bar = baz
| qux = quux
}}{{Bar
}}
Nessuno spazio prima del nome del parametro,

ogni template sulla propria linea

\n{{_\n|_ = _\n}}\n
{{Foo
|bar = baz
|qux = quux
}}
{{Bar
}}
Identa (per esprimere al meglio la struttura del codice) ogni parametro {{_\n |_ = _\n}}
{{Foo
 |bar = baz
 |qux = quux
}}{{Bar
}}
Allinea tutti i nomi dei parametri a una determinata lunghezza {{_\n|_______________ = _\n}}\n
{{Foo
|bar             = baz
|qux             = quux
|veryverylongparameter = bat
}}
{{Bar
}}
Inserire caratteri di pipe alla fine della riga precedente {{_|\n _______________ = _}}
{{Foo|
  bar             = baz|
  qux             = quux}}{{Bar}}
Stile in linea con più spazi, devono essere all'inizio di ogni riga \n{{_ | _ = _}}
{{Foo | bar = baz | qux = quux}}
{{Bar }}
Il template all'inizio di una riga, parametri allineati-identati, caratteri pipe della riga precedente \n{{_ |\n _______________ = _}}
{{Foo |
  bar             = baz |
  qux             = quux}}
{{Bar}}

Blank boilerplate

You can copy the blank boilerplate below to add new TemplateData to a template. Only the most common tags are included.

<templatedata>
{
    "description": "",
    "params": {
        "1": {
            "label": "",
            "description": "",
            "type": ""
        },
        "2": {
            "label": "",
            "description": "",
            "type": ""
        }
    }
}
</templatedata>


Errors

Syntax error in JSON / Bad JSON format

This error occurs if you attempt to save TemplateData that has certain types of invalid JSON code, such as duplicate keys (parameters) or trailing/missing commas, in VisualEditor or the 2017 wikitext editor (JavaScript-based editors).

"Syntax error in JSON" shows if you attempt to save such code in VisualEditor or the 2017 wikitext editor, while "Bad JSON format" shows if you attempt to open up such code in the TemplateData GUI editor, on template pages.

This error can come up quite frequently while editing a template's TemplateData. The most common mistakes that cause this error include excess commas (such as trailing commas), missing commas and missing quotation marks.

Examples of trailing commas:
<templatedata>
{
    "description": "",
    "format": "inline",
    "params": {
        "1": {
            "label": "",
            "description": "",
            "type": "", // <-- This comma shouldn't be here.
        }, // <-- This comma shouldn't be here.
    }, // <-- This comma shouldn't be here.
}
</templatedata>
Examples of missing commas:
<templatedata>
{
    "description": "",
    "format": "inline" // <-- A comma should be here.
    "params": {
        "1": {
            "label": "",
            "description": "" // <-- A comma should be here.
            "type": ""
        }
    }
}
</templatedata>
Example of missing quotation marks:
"description": An example description // <-- This text should have quotation marks.

To fix these errors, you can either look for the errors in the code yourself, or you can enter the JSON block into an external JSON validator, such as JSONLint, and it will highlight the problematic commas and keys that should be removed.

Due to a longstanding bug, users using the 2010 wikitext editor are able to save pages that have such invalid JSON (details: task T128029), as the JavaScript parser is less strict and allows invalid JSON.

Required property "paramOrder(number)" not found.

This error occurs if you state a parameter in "params" that is not stated in "paramOrder".The number in the square brackets refers to the parameter in "paramOrder" that is missing. It refers to its order in the sequence, but it is one less than its actual position, since "paramOrder" is an array; 0 is the first one, 1 is the second, etc.

"params": {
    "date": { ...
    },
    "reason": { ...
    },
    "talk": { ... // <-- This parameter is not stated in "paramOrder", but it should be.
    }
},
"paramOrder": [
	"date",
	"reason"
]

// Error: Required property "paramOrder[2]" not found.

To fix this, make sure all parameters stated in "params" are listed in "paramOrder".Alternatively, you can remove the "paramOrder" object to remove this error.

Invalid value for property "paramOrder(number)".

This error occurs if you state a parameter in "paramOrder" that is not stated in "params".The number in the square brackets refers to the parameter in "paramOrder" that shouldn't be there. It refers to its order in the sequence, but it is one less than its actual position, since "paramOrder" is an array; 0 is the first one, 1 is the second, etc.

"params": {
    "date": { ...
    },
    "talk": { ...
    }
},
"paramOrder": [
	"date",
	"reason", // <-- This parameter is not stated in "params", but it should be.
    "talk"
]

// Error: Invalid value for property "paramOrder[1]".

To fix this, make sure all parameters stated in "paramOrder" are listed in "params".Alternatively, you can remove the "paramOrder" object to remove this error.

Property "params.parametername.required" is expected to be of type "boolean".

This error occurs if you put quotation marks around the value of either "required" or "suggested".

"suggested": "true" // <-- These quotation marks shouldn't be here.

These are boolean values, not strings, therefore they require no quotation marks. To fix this, remove any quotation marks around the values true or false for these parameters.

Property "format" is expected to be ...

If the "format" parameter exists but its value is not "inline", "block" or a valid format string, you will see the error message "Property "format" is expected to be "inline", "block", or a valid format string."

"format": "notinline"

// Error : Property "format" is expected to be "inline", "block", or a valid format string.

To fix this, make sure the value after "format": equals "inline" or "block" and that there no spelling mistakes. Alternatively, if it's wikitext, make sure it contains a minimum of {{_|_=_}} and that there are no mistakes in the syntax that would normally cause a template to fail, such as duplicate equals signs or missing/duplicate curly brackets; see the section #Custom formats for the syntax for custom formats.Alternatively, you can remove the "format" parameter to remove this error.

Unexpected property "parametername".

This error occurs if you state a parameter in any object that is not a parameter of that object. This may be due to spelling mistakes, or you may have written the parameter of one object under another object that it doesn't belong to.

For example, you might have written the parameter "label" under the root TemplateData object instead of inside "params":

<templatedata>
{
    "description": "",
    "format": "inline",
    "label": "", // <-- incorrectly placed parameter
    "params": {
        "1": { // ↓ it should be in here
            "description": "",
            "type": ""
        }
    }
}
</templatedata>

Alternatively, if the unexpected parameter is under a template parameter inside "params", you'll see its name after "params.parametername." in the error.

To fix this, make sure your parameters are in their correct location, and make sure there aren't any spelling mistakes in the parameter names. Additionally, make sure you don't state any parameters that don't exist for an object. You can check which parameters exist for an object on this page, in the section #TemplateData parameters.

Required property "params" not found.

This error occurs if there is no "params" object in the TemplateData.This is a necessary object, as it contains all the details of each parameter, so to fix this error, make sure it's added and that there are no spelling mistakes. See the section above on how to add the "params" parameter.

Limitazioni e domande

  • Le funzionalità che mancano — TemplateData è un esempio di uno strumento reso disponibile con poche funzionalità, nella speranza che possa aiutare a guidare gli utenti nello sviluppo delle funzionalità che si desiderano. Se desideri richiedere nuove funzionalità per TemplateData, per favore faccelo sapere.
  • Ritardi nella visualizzazione dei template — Dopo aver aggiunto TemplateData a un template, i metadati dovrebbero essere immediatamente visibili quando il template viene aperto nell'editor visivo. Tuttavia, è possibile che siano necessarie diverse ore prima che i metadati vengano visualizzati. È possibile forzare un aggiornamento apportando una modifica nulla alla pagina del template (non alla sottopagina della documentazione). Per eseguire una modifica nulla, apri la pagina del template per la modifica e salva la pagina "senza apportare modifiche e senza aggiungere alcun riepilogo di modifica".
  • Segnalazioni aperte — Un elenco di bug e richieste di funzionalità correnti è disponibile nel bug tracker di Wikimedia.

Other tools

Aiuto:Estensione:TemplateWizard
A toolbar dialog window for entering template wikitext via an form built from TemplateData.
TemplateData Wizard
A tool that generates TemplateData through an interactive interface.
Skeleton TemplateData generator
A tool that reads the source wikicode of a template, tries to find all the parameters used and outputs a skeleton document with the parameters listed.
JSONLint
A tool that allows you to validate manually-written JSON to help find errors in the syntax.