Click "Contacts"
Contacts Settings - How To Add A Custom Field - Step 02
Click the Settings "settings" icon.
Contacts Settings - How To Add A Custom Field - Step 03
Click the "+ Add custom field" button here.
Contacts Settings - How To Add A Custom Field - Step 04
Click "Text"
Contacts Settings - How To Add A Custom Field - Step 05
Click the "Name of the field" field.
Contacts Settings - How To Add A Custom Field - Step 06
Type your field name in the "Name of the field" field.
Contacts Settings - How To Add A Custom Field - Step 07
Click the "Placeholder" field.
Contacts Settings - How To Add A Custom Field - Step 08
Type your placeholder in the "Placeholder" field.
Contacts Settings - How To Add A Custom Field - Step 09
Click the "Type" dropdown.
Contacts Settings - How To Add A Custom Field - Step 10
Select the "Contact" Type
Contacts Settings - How To Add A Custom Field - Step 11
Click "Save"
NOTE: Custom Fields can also be created within the Form or Survey Builder.