How to get the edit option and person details in demographic details page from employee self service

Summary:

How to get the edit option and how to get the person details in demographic details page from employee self service

Content (required):

Need to get the edit option and existing details from person details page to add/update the gender and marital status details from self employee service page

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

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