Template:Message box/doc

The template is a notice template

Named parameters

 * |icon=: image file name for use on the left, e.g. "Stub.png"
 * |image=: left (image) cell content, overrides  if provided.
 * |header=: top line text
 * |text=: list of extra info
 * |border=: border colour (defaults to green)
 * red     : ambox-red (serious issue)
 * yellow  : ambox-yellow (mild issue)
 * green   : ambox-green (good!)
 * purple  : ambox-purple (technical change)
 * blue    : ambox-blue (notice)
 * orange  : ambox-orange (stub colour)
 * gray    : ambox-gray
 * |format:  to display a small, left-aligned box showing only the   value; any other value displays the full ambox.
 * |style=: extra style parameters (unlikely to be used)