Oracle Cloud Fusion: Need to know the SOAP service or REST service for the Resource whether assigned

Summary

We have a requirement to get resource id using employee number. This is required for OTL integration where we need to assign an employee to a project

Content

Need to know the SOAP or REST services for the below requirement

a. Whether Resource assigned to Project or Not
b. How to get the Resource ID if we have PERSON_NUMBER
c. How to assign the Resource to the Project

Version

19D