When the recruiter is selecting the source for adding the candidate, can source category be added

Summary: While Selecting the source for adding the candidate manually, There should be another drop down added for the Source category "Agency" & "Employee Referral" Where the Agency name can be selected and Employee ID can be entered

Content (please ensure you mask any confidential information):

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

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