This rule allows a check against a certain datetime value stored against a contact in the custom facet based on the facet keys set up previously.
Select the "where the value of the specific S4S facet datetime field compares to specific value" rule.
Click on "specific" to select the key of the value you want to compare and click OK.
Click on "compares to" to select the comparison operator and click OK.
Click on "specific value" to enter the value to compare against and click OK.
Click OK to save the rule.