Child pipeline parameters

  child pipeline:

Hi have a parent and a child pipeline

My parent has src table with details of tablename,schemaname, operation type a mapper and a pipelines execute.

My child pipeline has insert into redshift (execute) and a update (redshift execute)to make entry into log table .

My pipeline is working separately but when parent pipeline is triggered it is making entry In log table 

But not fetching the schename,tablename, operation type from parent .