Template:InfoBox user since/doc

Use this template to create an infobox on your user page to show when you became a Gentoo Linux user. This template will automatically add the page to the appropriate "User since YEAR" category.

Parameters
{	"params": { "1": {			"label": "Year", "description": "Year that you started using Gentoo", "type": "number", "required": true },		"header": { "description": "Add a 'Userboxes' heading (you need to set this equal to something; try 'true')", "type": "boolean" },		"profile": { "description": "Portage profile you used when you first started using Gentoo", "type": "string" }	},	"format": "inline", "description": "Use this template to create an infobox on your user page to show when you became a Gentoo Linux user" }

Usage
See the template's testcases:

For more examples, see this template's test cases.