load(
  local!dropdownOneLabels: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
  local!dropdownTwoLabels: {"One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten"},
  local!dropdownOneValues: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
  local!dropdownTwoValues: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10},
  local!tmpDropdownOneLabels,
  local!tmpDropdownTwoLabels,
  local!tmpDropdownOneValues,
  local!tmpDropdownTwoValues,
  local!dropdownOne,
  local!dropdownTwo,
  with(
    {
      a!multipleDropdownField(
        label: "Dropdown One",
        labelPosition: "ABOVE",
        placeholder: "-- Select values in Dropdown One --",
        choiceLabels: if(and(rule!APN_isEmpty(local!dropdownTwo), rule!APN_isEmpty(local!tmpDropdownOneLabels)),
          local!dropdownOneLabels,
          local!tmpDropdownOneLabels
        ),
        choiceValues: if(and(rule!APN_isEmpty(local!dropdownTwo), rule!APN_isEmpty(local!tmpDropdownOneValues)),
          local!dropdownOneValues,
          local!tmpDropdownOneValues
        ),
        value: local!dropdownOne,
        saveInto: {
          local!dropdownOne,
          a!save(
            local!dropdownTwo,
            {}
          ),
          a!save(
            local!tmpDropdownTwoLabels,
            index(
              local!dropdowntwoLabels,
              local!dropdownOne,
              {}
            )
          ),
          a!save(
            local!tmpDropdownTwoValues,
            index(
              local!dropdownTwoValues,
              local!dropdownOne,
              {}
            )
          )
        }
      ),
      a!multipleDropdownField(
        label: "Dropdown Two",
        labelPosition: "ABOVE",
        placeholder: "-- Select values in Dropdown Two --",
        choiceLabels: if(and(rule!APN_isEmpty(local!dropdownOne), rule!APN_isEmpty(local!tmpDropdownTwoLabels)),
          local!dropdownTwoLabels,
          local!tmpDropdownTwoLabels
        ),
        choiceValues: if(and(rule!APN_isEmpty(local!dropdownOne), rule!APN_isEmpty(local!tmpDropdownTwoValues)),
          local!dropdownTwoValues,
          local!tmpDropdownTwoValues
        ),
        value: local!dropdownTwo,
        saveInto: {
          local!dropdownTwo,
          a!save(
            local!dropdownOne,
            {}
          ),
          a!save(
            local!tmpDropdownOneLabels,
            index(
              local!dropdownOneLabels,
              local!dropdownTwo,
              {}
            )
          ),
          a!save(
            local!tmpDropdownOneValues,
            index(
              local!dropdownOneValues,
              local!dropdownTwo,
              {}
            )
          )
        }
      )
    }
  )
)