new globalObjectID;
public OnGameModeInit()
{
    globalObjectID = CreateObject(1337, 0.0, 0.0, 3.0, 0.0, 0.0, 0.0);
    return 1;
}
public OnPlayerCommandText(playerid, cmdtext[])
{
    if(!strcmp(cmdtext, \"/check\", true))
    {
        new objectid = GetPlayerCameraTargetObject(playerid);
        if(objectid == globalObjectID)
        {
             SendClientMessage(playerid, -1, \"You\'re looking at your object.\");
        }
        else if(objectid == INVALID_OBJECT_ID) // INVALID_OBJECT_ID = 65535
        {
             SendClientMessage(playerid, -1, \"You\'re not looking at any object.\");
        }
        return 1;
    }
    return 0;
}

new ActorCJ;
public OnGameModeInit()
{
    // Create an actor (CJ) at Blueberry Acres (Center of SA map)
    ActorCJ = CreateActor(0, 0.0, 0.0, 3.0, 0.0);
}