@tables=(
   {
      "table" => "table1",
      "description" => "bla",
      "datafield" => [
         {
               name="field1",
               assoc_table="table2",
         }
       ]
    },
   {
      "table" => "table2",
      "description" => "blubb",
      "datafield" => [
         {
               name="field1",
               assoc_table="table3",
         }
       ]
    },
);