prop panel creat prop panel object element model facad element element subsytem classifi need come classifi check model facad subsystem element prop panel subsystem model facad classifi element classifi prop panel element model facad relationship element relationship prop panel element model facad state vertex element state vertex prop panel element model facad action sequenc element subtyp prop panel action come prop panel action sequenc model facad action element action prop panel element todo need type hierarchi order work properli creat specif properti panel properli factor method review point need review tfm model facad activ graph element prop panel activ graph model facad argument element prop panel argument model facad associ end role element prop panel associ end role model facad associ end element prop panel associ end model facad attribut element prop panel attribut model facad collabor element prop panel collabor model facad comment element prop panel comment model facad compon instanc element prop panel compon instanc model facad constraint element prop panel constraint model facad enumer liter element prop panel enumer liter defin usecasediagram lp usecasediagram granular type statement model facad extens point element prop panel extens point endif model facad guard element prop panel guard model facad interact element prop panel interact model facad link element prop panel link model facad link end element prop panel link end model facad messag element prop panel messag model facad method element prop panel method model facad model element prop panel model model facad node instanc element prop panel node instanc model facad object element prop panel object model facad oper element prop panel oper model facad element prop panel model facad paramet element prop panel paramet model facad partit element prop panel partit model facad recept element prop panel recept model facad state machin element prop panel state machin model facad stereotyp element prop panel stereotyp model facad stimulu element prop panel stimulu model facad tag valu element prop panel tag valu model facad tag definit element prop panel tag definit model facad transit element prop panel transit model facad event element prop panel event model facad chang event element prop panel chang event model facad signal event element prop panel signal event model facad time event element prop panel time event model facad depend element prop panel depend illeg argument except unsupport element type 