1) select API integration form from the erp admin module

2) there are two methods for incoming and outgoing data transfer 

3) following methods are used for integration purpose

4)for data mapping and API parameters mapping there are 2 dlists

one is to send parameter to api 

second is fetching parameters from api

5) for Incoming rest api we are providing dummy input on clicking show data button

We can define wich state data will be updated in db by using return status column