Jagruti Sonara

Hello Sir,
I am new in Houdini. And my English very poor. Sorry for that.
I am using Flip fluid. But i am very confused in pipeline. my questions are lot about that.
my questions are below.
1) How to create proxy mesh from bring it from maya FBX format
2) When simulation is complete how to apply animation from proxy mesh to original FBX
3) When i want cache file from frame number like 25. but it automatic start from 0
4) How to fill any shape of object with already fill water like bucket object
5) Can i apply white water after i cache base water
6) Render passes is which is best EXR or FBX
7) Waht is $HSITE
8) Why i can not make this kind of node - waypoint qL

Thanks in advance

Is there a way to bring hybrido particles from Realflow into houdini (v15.5) to simulate whitewater inside houdini itself?