The Advanced Behaviour Criteria formula editor can be used for more flexibility with additional Operators and Functions to assist in building a query for One-off and Scheduled Base Behaviours
Access the Advanced Criteria formula editor by clicking the Advanced button to the right
Manually enter the required formula, or click the + Field button to select the Object field. Operator and Function dropdowns are available to assist with writing the formula. Hovering over the picklist values shows the syntax for info.
Example:
