WHEN_APPEAR

Usage:
WHEN_APPEAR <appear flags>

Description:
Controls when triggers exist on your map, based on skill level and game mode. It's not required if you want the trigger to exist on every skill and net mode, since that is the default setting for scripts.

Details:
The <appear flags> is a bunch of numbers and/or keywords, which must be separated by the colon (':') character. These values can be:

Example:
This script will only appear and run if we are playing a single player game on skill 1.

RADIUS_TRIGGER 0 0 -1
  WHEN_APPEAR 1:sp

  TIP "You're using a low skill setting!"

END_RADIUS_TRIGGER