store given function variabl script action given messag constraint given messag action param uml messag given uml messag object adapt param fname function param varnam variabl param refind oper store fname varnam action messag handl function object uml messag fname builder varnam refind oper fname expr fname trim varnam length expr varnam trim expr object action model facad action uml messag action object script model facad script action script expr equal model facad bodi script object action express model data type factori creat action express express languag expr trim model common behavior helper set script action action express refind oper refind oper 