Create a Custom List/Record Field
By navigating to Customization >> Lists, Records, & Fields >> Item Fields >> NEW
- TYPE will be List/Record and LIST RECORD will be the record of the first field.
- STORE VALUE will not be checked.
- Select your record this field will apply to
- In the SOURCING AND FILTERING sublist, select the following options on a line in the sublist:
- For FILTER USING, select your checkbox field name.
- Check the IS CHECKED option.
- Make sure the COMPARE TYPE is set to EQUAL.

After setting these values, custom fields should be all setup. To make an option appear in the dropdown list, go to a record and check our new checkbox field.
