I'm using react-select and react-select-async-paginate in a form to create a select.

In the form I have a problem about the required field. How can I set the field to be required?

<div>
  <Label id="app">Application (*)</Label>
  <SelectAsyncPaginate
    value={isNew ? choosenApp : backApp.appCod}
    onChange={(app) => {
      setChoosenApp(app);
    }}
    isNew={isNew}
  />
</div>;

For the other part of the form I set the required using the AvGroup (of reactstrap), but not works good with the select.

How can I set the field required?