When a custom module is created, 6 default fields are created along with the module. These fields are grouped under Basic information and cannot be edited. In addition to default fields, you can also add new fields to your module and customize them to suit your business needs.
Note: Custom modules supports the creation of upto two unique fields per module
Here’s how you can add new fields to your module:
Go to Admin Settings and navigate to Custom Modules from Leads, Contacts & Accounts.
Click . This opens the page where you can create and manage fields present on your module.
Click . This brings up the ADD FIELD overlay.
Choose the field type and click .
Give your field a label, add a placeholder value, and configure the mapping for the field.
Click . This creates a custom field for the module.
Field limits
Custom modules are available only as a part of the Enterprise plan. Users can create a maximum of 310 fields.