Doubt Regarding Jenkins Shared Libraries

Question

Hello All,

I have doubt.The way we declare a variable while writting any shared lib is eg def  variablename =

But i have seen at some place.

def call(){

env['anyname'] = 'anyvalue'  

}

My doubt is what does env['anyname'] does.I mean is it a way to define a variable. or what does it define

Comments

Can you share the full code?