How to use pythia8 with LHE files as input

Hi experts,
May I ask how to use pythia8 to do parton shower and hadronazition with LHE files as input. For example, I obtaned a file ttbar.lhe, then how to do parton shower and hadronaztion with pythia8.
And is it possible to store all the subparticles of jets ?

Hello,

While there might be Pythia experts present, this forum is primarily for ROOT related topics. Your question might be better addressed directly to the Pythia experts.

Cheers,
Jakob