Can anyone find the script error?

[danimora2012]

////////////////////////////
//Run First Time Starting map
void OnStart()
{
SetEntityCallbackFunc("key", "Jump");
}

void jump(string &in asEntity, string &in type)
{
SetEntityActive("bro_1", true);
}


////////////////////////////
// Run when leaving map
void OnLeave()

i can't make the guy pop out when i pick up the key...

Name of the key -- key
Name of guy -- bro_1
Name of area -- Jump