{{{username}}}

[[User:{{{username}}}\| My User Page!]]	[[User_talk:{{{username}}}\| My Talk Page!]]	[[Special:Contributions/{{{username}}}\| My Contributions!]]	[[User:{{{username}}}/sandbox\| My Sandbox!]]

}}

The template above may be partially or fully invisible or glitched due to the respected strings aren't entered.
This is normal.

Documentation for UserpageHeading/sandbox

{{userpage/sandbox|username=your username}}

{{{username}}}

[[User:{{{username}}}\| My User Page!]]	[[User_talk:{{{username}}}\| My Talk Page!]]	[[Special:Contributions/{{{username}}}\| My Contributions!]]	[[User:{{{username}}}/sandbox\| My Sandbox!]]

Template:UserpageHeading/sandbox