Adobe Character Animator Problem with Triggers

Hi,

I'm a pretty much novice when it comes to animation but I was hopeing someone could help as i have searched all over youtube for an answer and I cant seem to find one.

I have mad an imported a character but I cannot seem to add expressions via triggers I have added another "blink" but it overlays on top on the exsiting eye as is when I press the trigger the eyeball remains visable and the blink lines just overlay them in the performance.

There is most likely a simple fix I just dont know it! I would very much appreciate some helpe please.
(I have added screenshots for reference) 

I am also having problem's with the arm rigging as it seems the stretch the arm and warp it too much.