Attack animation Question

I made a trigger that spawns a unit every amount of time, after he is spawned I give him a name tag with a variable


Following to its spawn I want to display the attack animation of the unit, I used a custom call since I can't display the animation through the GUI.

now Am I not well know with custom scripts, but the script is giving me an error, so I was wondering if someone could help me out.

the problem i see is the varibale Dnumber.

It should be like this:

that was quite obvious, Thank you Mad[lion]