How to use Invoke Workday Operation Activity inside Workday Application Scope?

Hi All,
This is the first time I am working on Workday application and I need to use Invoke Workday Operation Activity in UiPath to perform its lots of different operation.
Can anyone please help me in understanding, how this activity can be used with different operation on different Employee data set and what all values I need to provide in order to run the activity??
Any help is much appreciated !! Thanks!!