pass args/table to class main method using action menuitem button

• create new class 

class newclass
{

}

public static void main(Args _args)
{
     #Task
    FormDataSource fds;
    FormRun        formrun=_args.caller();
    Str      Postion;   
  fds = _args.record().dataSource();

try
    {

        ttsBegin;

        for (smmActivities = fds.getFirst(true) ? fds.getFirst(true) : fds.cursor(); smmActivities; smmActivities = fds.getNext())
        {
            smmActivitiesUpdate = smmActivities::find(smmActivities.ActivityNumber, true);
            if(smmactivitiesUpdate.EnumYesnoField == NoYes::Yes)// check if field is already yes then throw warning
            {
                ttsAbort;
                ret = false;
                throw warning("already yes");
            }
            else
            {
                Position = smmActivitiesUpdate.ActivityNumber;
                smmactivitiesUpdate.EnumYesnoField =NoYes::Yes;
                smmactivitiesUpdate.update();
            }
        }
        ttsCommit;
        ret = true;
        if(formrun)
        {
            formrun.task(#taskF5);
            fds.findRecord(smmActivities::find(Position));
        }

    }
    catch
    {
        ret = false;
    }

•  Add action menu item to form 
• set data source to smmActivities