hi my friends
i watched ue4 video tutorial but i can not understand all nodes that used in tutorial (because my english is so bad !!! ) and i can not find node document in ue4 doc for example <SingleTraceByChannel > or <Cast To StaticMesh> and many other nodes
how i can learn all ue4 nodes ??
thanks
You learn all the nodes by using them ^^ -> in the editor you can always find a little description of the node + you can also get more information from tutorials, questions from other community members and from the documentation: https://docs.unrealengine/latest/INT/Search/index.html?x=2&y=2&q=SingleTraceByChannel
But most important is to learn all the needed english words, because it’s the main language in the game dev. scene 
-> google translator is a good place
thank
it is so bad i want to learn all nodes and also all new teckniques for example in unity i use raycast but in ue i use trace perhaps exist many technique like trace but i can not learn and use it
i dont know why epic dont create a better doc for ue4 users