In the example below, an administrator creates a candidate source named LinkedIn. She configures it to be available to recruiters but not candidates, and not to require additional information:
When recruiters open the Candidate Source drop-down list in the New Candidate control, the LinkedIn source is displayed. When they select the LinkedIn source, an Additional Information field isn’t displayed next to it:
Lastly, when candidates select a source from the drop-down list in the job application, the LinkedIn source isn’t displayed: