Filters in custom fields
From Planfix
Filters in some types of custom fields allow you to display a list of selectable values that match the conditions you set.
Filters are available in the following types of fields:
Setting up a filter in a custom field
To activate a filter, you must select the corresponding option in the field settings under Display in selection control and define a number of conditions that the objects must meet in order to be displayed in the list of options for this field:
