construct properti panel messag prop panel messag label messag lookup icon messag add field translat local label text field add field translat local label interact uml singl row selector uml messag interact list model add field translat local label sender uml singl row selector uml messag sender list model add field translat local label receiv uml singl row selector uml messag receiv list model add separ add field translat local label activ uml messag activ combo box uml messag activ combo box model add field translat local label action uml singl row selector uml messag action list model scroll pane predecessor scroll scroll pane uml mutabl link list uml messag predecessor list model action add messag predecessor instanc add field translat local label predecessor predecessor scroll add action action navig contain element add action action tool action add action action stereotyp add action delet action 