First place a player in your level and then you can assign an action to it. Right click the player and then select Properties and Behavior.
Also you can use
Code:
ent_create("model.mdl",vector(x,y,z),Action);
Hello everyone my name is Ivan Mandic from "Frozen pixel studio". ----------------------------------- Homepage: www.fpx-studio.com e-mail: emu_hunter_1990@hotmail.com (working on a game engine)