grenade()
{
	gren_trigger = GetEnt( "destroy_trigger", "targetname" );
	wall = GetEnt( "wall_crumble", "targetname" );
 
	gren_trigger waittill ("trigger")
 
	Earthquake( 200, 7, getstruct("ground_zero", "targetname").origin, 850 );
 
	wall Delete();
 
}

ent = getstruct("ground_zero", "targetname").
Earthquake( 1, 7, ent.origin, 850 );