Maciej Swiderski [https://community.jboss.org/people/swiderski.maciej] created the discussion "Re: [jBPM5.1] How to use drools rule in constraints of a gateway" To view the discussion, visit: https://community.jboss.org/message/648591#648591 -------------------------------------------------------------- Here is an example for executing rule base syntax on sequence flow condition:      <sequenceFlow id="_9-_10" sourceRef="_9" targetRef="_10" name="sq-name">       <conditionExpression xsi:type="tFormalExpression" language="http://www.jboss.org/drools/rule" >eval(false)</conditionExpression>     </sequenceFlow> where eval(false) is rule syntax to be executed, please keep in mind that it must return boolean. HTH -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/648591#648591] Start a new discussion in jBPM Development at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]