How can I add a trigger to load another map?

[FeelingPigeon]

Hi, I need to ad a trigger to my map that loads another map.

Don't understand what I mean? this an example:
When you go into a house in Half Life 2 it will say "Loading" when it loads in another map.

How can I do this in my map?

[Firegod522]

[url]https://developer.valvesoftware.com/wiki/Trigger_changelevel[/url]