How to add another 'Related To' Field into EditView of Calls module

I want to add another ‘Related To’ field (same as the one that exist) with different name into EditView of Calls module.
I’m unable to do this in Studio, since ‘Related To’ field represent as parent_type in vardefs.php and not possible to add more than one field type to editView of Calls.

can someone direct me a proper way to do this pls.

can someone help this pls


You have to create relationship among those modules, then the field will be created.

Hi Thanks for the info. but I want to add multiple drop-down menu as shown in the below image. for more info you can google it “SuiteCRM flex relate” field. but I couldn’t find a correct way to do this.