Sergey Kornilov [https://community.jboss.org/people/kornilovs] created the discussion "Re: WorkItem definition paramater and process variable mapping in Designer" To view the discussion, visit: https://community.jboss.org/message/795149#795149 -------------------------------------------------------------- Try write  #{msg} in colomn "To Value", if you want set  String "msg" to you Service Task. If you want Get parameters from service task add "results"   [     "name" : "GetConstant",     "parameters" : [     "ReqType" : new StringDataType(),     "Name"    : new StringDataType()     ],     "results" : [         "Result" : new UndefinedDataType()     ],     "category" : "Const",     "displayName" : "GetConstantByName",     "icon" : "..."   ], -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/795149#795149] Start a new discussion in jBPM at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&...]