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INCLUDES
Determines if any value selected in a multi-select picklist field equals a text literal you specify.
Use
INCLUDES(multiselect_picklist_field,
text_literal) and replace
multiselect_picklist_field with the merge field name for the multi-select
picklist; and replace text_literal with the multi-select picklist value you
want to match in quotes.
Tips
- The text_literal expression must be of type text and enclosed in quotes. It cannot be a merge field or the result of a function.
- Salesforce returns an error if any of the following occurs:
- You do not provide a text_literal expression.
- You provide an empty text_literal expression, such as
""or" ".
- Use ISBLANK to determine if a multi-select picklist field is empty.
- Use the PRIORVALUE function inside the INCLUDES function to check if the previous value of a
multi-select picklist field included a specific value. For
example:
INCLUDES( PRIORVALUE(multiselect_picklist_field), text_literal )
INCLUDES(Hobbies__c, "Golf") returns TRUE if one of the
selected values in the Hobbies custom multi-select picklist field is
Golf.

