Using alpine to update a Form Field using an x-on event listener.

Select::make('employee_selector')
  ->label('Select an employee')
  ->options($employees = $this->location()?->currentEmployees()->pluck('name', 'id')->toArray() ?: [])
  ->extraAttributes([
    'x-data' => '{ selectedId: null }',
    'x-model' => 'selectedId',
    'x-on:new-employee-id.window' => 'selectedId = $event.detail.newId; console.log("updated to " + $event.detail.newId);',
  ]),

$dispatch('new-employee-id', { newId: state })