Shower handle help

[Ediioia]

Hello. I am trying to replace the shower handle on this Pfister Price trim. I am replacing the whole trim but don’t see how to take it off of there no screw visible inside the white plastic piece. Any ideas? Thank you.

 

[Twowaxhack]

This piece unscrews counterclockwise.

 

[Ediioia]

This piece unscrews counterclockwise.

View attachment 47852

Thank you. I will try this tomorrow. I very much appreciate the speedy response!