Triggering the Selection Dialog from another widget about searchable_dropdown HOT 1 OPEN

Text customButton=Text("Custom button for Silvio");
...
SearchableDropdown.multiple(
        items: items,
        selectedItems: selectedItems,
        onChanged: (value) {
          setState(() {
            selectedItems = value;
          });
        },
        hint: customButton,
        selectedValueWidgetFn: (item) {
          return customButton;
        },
        underline: Container(
          height: 1.0,
          padding: const EdgeInsets.only(right: 13.0),
          margin: const EdgeInsets.only(right: 13.0),
          decoration: BoxDecoration(
              border:Border()
          ),
        ),
        icon: null,
        displayClearIcon: false,
        isExpanded: true,
      )