Omnistudio

When your Salesforce instance has Business Rules Engine and Omnistudio enabled, you can call expression sets and decision matrices from Omniscripts and Omnistudio Integration Procedures.

• Call an Expression Set from an Integration Procedure
  To call an expression set from an Integration Procedure, and return the specified expression set’s results to the Integration Procedure, use the Expression Set Action.
• Call a Lookup Table from an Integration Procedure
  To call a lookup table from an Integration Procedure, and return the specified matrix’s results to the Integration Procedure, use the Decision Matrix Action.
• Call an Expression Set from an Omniscript
  To call an expression set that has at least one active version from an Omniscript, and to return the specified expression set’s results to the Omniscript, use the Expression Set Action.
• Call a Lookup Table from an Omniscript
  To call a lookup table that has at least one active version from an Omniscript, and to return the specified matrix’s results to the Omniscript, use the Decision Matrix Action.