I didn't want to make this thread, but...
 

I've found one thing that's been hindering my progress in GS2: Client / Server interaction- triggering the server via client and vice versa.

I just can't find a good place that explains it all. Can someone share a link with me or make a post about it, please? (If other people are having the same problem they'd likely benefit from it, too...)

Thanks.

http://public.zodiacdev.com/index.ph...er_Interaction

see the "related documentation", especially the second and first.