create process chain load transaction data from ECC into BW then into BPC

Dear Expert,

I want to create a process chain to load transaction data from ECC into BW then into BPC.

I've just created only process chain to load transaction data from ECC into BW like this:

I wanto to create continue a process to load into BPC after loading into bw successfully instead of running data package in BPC side.

thanks so much.