Rapidminer if function generate attributes

i have a school project and I'm stuck. I also never really programmed but tried to search here and on Google and couldn't find a usefull (at least for me) solution.

The structure is the following: T1Name T1Tag T2Name T2Tag ... T146Name T146Tag x a y b x a y b x a y b

I want to write an if statemant, if T* Tag=a then it should generate a new attribute with the Name given in T*Name. But I don't know how I can write that in Code.

I'm thankfull for every help! Thanks