Fetch data from CRM "Products" module

Fetch data from CRM "Products" module

Hi,  I have a CRM lookup field to "Products" included in one of my forms.  While using the form, when I select a product from the dropdown lookup CRM field I'd like the "Unit Price" field to be copied over to a field I have in my form called Cost_per_Fixture.  Also, this is a subform.