3 respuestas
If the field is a picklist field use the below
AND(
Checkbox_Field__c,
ISBLANK(TEXT(Picklist_Field__c))
)
If the field is a multi select picklist field use the below
AND(
Checkbox_Field__c,
ISBLANK(Multi_Picklist_Field__c)
)
As you mentioned multiselect field in the subject and picklist field in the actual description, i am providing the syntax for both type of fields