Using a script to add an expression to a layer?

[Dave Jackson]

Legend, thanks Dan

[Ivan Zornic]

Hi,
I have trouble with expression that returns value. I did not find any way to return value and assign it to a var.

I want to use sempleImage() expression from script and store resulting value to var. How can I do that?

Thanks in advance,
Ivan

[Yaavi Foxy]

I love you man, you saved my ass.