Add Assignment with an HSDL

Summary:

We have the need to add several multiple assignments to an existing associate, and for our initial load we would like to do so by using an HSDL. Has anyone performed this action and have any recommendations?

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable): 25C

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