UNREAL ENGINE 4 - GRAPPLING HOOK REPLICATION

Hello there, iam learning in unreal engine about 2 months(just for fun, bcs i like it) , and i already have my FPS projects(sorry for my bad english, iam from CzechRepublic). Now my question is : I got working Grappling Hook like JustCause 2 and i want it to replicate it to client, but i dont know much how, can somebody help me with blueprint?