Code to get multi selected records in from grid in X++

void clicked()
{

     int             ListOfRecIds, i=1;
    container  contains;
    CustTable  custTableLoc; // Table_Name  that we used in as the datasource.
    super();
   
    ListOfRecIds= custTable_ds.recordsMarked().lastIndex();
    custTableLoc= custTable_ds.getFirst(1);
   
   while (custTableLoc)
    {
        contains = conIns(container, i ,custTableLoc.AccountNum)
       custTableLoc = custTable_ds.getNext();
        i++;
    }
 }