TemplateData is the standardized description of a template, used by VisualEditor to improve the template-editing experience for the user. VisualEditor includes a wizard to edit templates, but for the wizard to be most useful, it needs to present specific information to the user about each template, such as a short description of the template's purpose and its parameters. This information is codified formally (by any wiki editor) using TemplateData.

Editing without TemplateData

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Without TemplateData, each parameter needs to be added manually when inserting a new template.


No information is provided about what the value of the parameter should be.


Editing with TemplateData

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With TemplateData, a list of supported parameters (and their description) is provided for the template.


TemplateData provides context for each parameter, and makes it much easier for users to modify templates.


Anyone can help by adding TemplateData to templates (particularly high-profile ones, such as infoboxes) so that they are easier to edit in VisualEditor. The following is a minimal example, placed on a template's documentation page:

  "description": "insert description here",
  "params": {
    "first parameter": {
      "label": "x",
      "description": "x",
      "type": "string",
      "default": "default value",
      "required": false

You can also add or edit TemplateData using a GUI, by pressing the following button which appears at the top of the edit page: Manage TemplateData

The TemplateData tutorial explains in detail how to add TemplateData information to a template.

Commonly used templates

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Here is a list of the most commonly-used templates. When you've added TemplateData to one, add a {{tick}} mark next to it; we'll update the list with new additions as we go. It's advisable to do a null edit on the main template page to force the system to update the database.

For completed items, consult the bot-generated logging page विकिपीडिया:VisualEditor/TemplateData/List.

If you complete an item, mark it here with {{tick}} until the item appears on the logging page.

If you partly complete an item (suggested action), mark the entry with {{yellow tick}} and replace its <!--note--> field with a brief description of what has and/or remains to be done. Partly-done items will appear on the logging page as if they were completed, but do not remove them from this list until they are completed.

 Y: Completed
 Y: Partly completed
 N: Done with structural faults; as good as not done

Over 5,000 uses in mainspace

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  •  Y
  • 961,481
  • Coord
  • VE does not allow overloaded templates

Infobox template (>5,000 uses)

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250 to 5,000 uses in mainspace

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Userspace (high-priority)

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Used as meta-templates

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Used in other namespaces

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Following are templates which taking parameters but are used <250 times. There are thousands of templates which contain only content for transclusion and which take no parameters. These are not considered here.

Following have no instances of use:

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