[G2] What exactly is getItemlinks "Signature"

Hi all,

Quick question (G2 ... sorry to distract).

The TODO list in the GalleryModule.class has this: change signature of  
getItemlinks() in all modules (add new parameter)

I have basically implemented all the other items but can't understand  
what exactly "signature" means.

Hopefully someone reading this will known off the top of their heads.

Thanks





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