Pass variable values between App engine steps and sections

Hi,

I am validating and augmenting some data in one step of my custom app engine . Based on my validation, I am setting certain values to some variables. My goal is to utilize these variables in another step or section to set conditions for inserting data into a component interface via that step/action. I had read that setting global/component variables may be the way to go. I am not very familiar with this and would appreciate it if someone could share some sample code in regards to how it can be done.

Thanks.