How to add multiple reference designators to a component of an item structure using webservice

Summary:

Need to add multiple reference designators to a component of an item structure having qty>1 using REST/SOAP webservice

Content (please ensure you mask any confidential information):

We have a requirement to add multiple reference designators to a component of an item structure having qty>1 using REST/SOAP webservice. It is going into error: You have specified that the component LA025473U610 is quantity related, but the number of reference designators doesn't match the quantity value. (EGP-2775516)

Version (include the version you are using, if applicable):

24A

Code Snippet (add any code snippets that support your topic, if applicable):