Template:TemplateDataHeader/doc

Inserts a brief header for the template data section. Adds the page to Category:TemplateData documentation.

TemplateData
{ ... }

Use  if you want an alternative name for the template to be displayed.

TemplateData
{ "description": "Inserts a brief header for the template data section. Adds the page to ", "params": { "1": {     "label": "Template name", "description": "The name of the template to display. Default is .", "type": "string", "required": false } } }