How to read SAP routing information from production order

[Onkar_Gavali]

Hi 
I want to get details of tasks list group and group counter of routing

I am using these API but i don't find any interrelated property to connect production order and production routing 

API i am using
production order API : https://api.sap.com/api/OP_API_PRODUCTION_ORDER_2_SRV_0001/path/get_A_ProductionOrder_2
Production routing : https://api.sap.com/api/OP_API_PRODUCTION_ROUTING_0001/path/get_ProductionRoutingHeader_ProductionRo...

And how to get this values for routing API from production order
ProductionRoutingGroup
ProductionRouting
ProductionRoutingInternalVers


Thank you,
Onkar Gavali