When attach object activate animation

// Basic Animation / Attachment 1.0
// Catherine Omega Heavy Industries

string gAnimName = "anim"; // what animation to play?

default
{
    state_entry()
    {
        llRequestPermissions(llGetOwner(), PERMISSION_TRIGGER_ANIMATION); // ask the owner for permission to trigger animations
        llStartAnimation(gAnimName);
       
    }
    
    on_rez(integer param)
    {
        llResetScript(); // reset the script as soon as it starts.
    }
    
    attach(key id)
    {
        integer perm = llGetPermissions();
        
        if (id != NULL_KEY) // make sure we're actually attached.
        {        
            if (! (perm & PERMISSION_TRIGGER_ANIMATION)) // remember to use bitwise operators!
            {
                llRequestPermissions(llGetOwner(), PERMISSION_TRIGGER_ANIMATION); // request permissions from the owner.
            }                
        }
        else
        {
            if (perm & PERMISSION_TRIGGER_ANIMATION)
            {
                llStopAnimation(gAnimName); // stop the animation
                
            }
        }
    }
}