Auto fill lead name from a custom field in the same module


I’m a new bee for SuiteCRM (and to some extend PHP as well :frowning: ). I was trying to achieve the following.

  1. I need to provide a dynamic dropdown (Custom dropdown) to my users to choose a lead type (Custom Field) and Name of Service (Custom field again). This part was OK and i was able to create a dynamic dropdown. Based on the value selected in the first one the second drop down values are populated and users can select one.

  2. Now, I have to populate the value from second dropdown, automatically into the Lead Name field. Is there a way to do this thru Admin console or coding is the only way. In either case may you please suggest where should I look into?

Thanks for your time