Help with in/out variables usage & understanding

Hi @aksh1yadav @akhi_s27 @Vikas.Jain @vvaidya @beesheep @badita,

Here I’m attaching my workflow, where I want the child workflow to pass that datatable to the main workflow, can someone help me with it digging through,

Also, I want this to be dynamic every time so I pass the file name to the child workflow and this builds the datatable and send it back so it is captured or stored somewhere in main workflow, ?

If I invoke the child workflow again for another file how this needs to be stored in main workflow ?

somewhere I think I’m missing the edge of it,

Appreciate your time and efforts in helping me understand,

sample (6.3 KB)