Update Service Dates on Workrelationship Page

Summary:

Hello,

I'm trying to update the Enterprise service date on the Person Work Relationship page. Currently its blank value for bunch of employees. Is there any HDL Sample template we have to update this field. Can you provide us the sample temple anybody have used it before.

Thank you in advance..!

Thanks,

Content (required):

We are using V1 Seniority Dates

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

21D

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