Accessing Custom Fields Options
To access the custom field options, select the cog on the main toolbar, and select the Custom Fields tab.
Click the Add custom field button to add a custom field to the Main Search to filter results by. A dropdown will appear where you can select the custom field.
Only fields of type Select and Checkbox are available to be selected for a custom field filter.
To delete a custom field, click the trash icon on the dropdown.
Click save to save your options.