$this->crud->addField([ 'label' => "Department", 'type' => 'select_multiple', 'name' => 'departments', // the method that defines the relationship in your Model 'entity' => 'departments', // the method that defines the relationship in your Model 'attribute' => 'department_name', // foreign key attribute that is shown to user 'model' => "App\Models\DepartmentNames", // foreign key model 'pivot' => true, // on create&update, do you need to add/delete pivot table entries? ]);

Cuando publico la matriz 'departamento' está vacía,

 <select class="form-control" name="department[]" multiple=""> <option value="">-</option> <option value="">Account Management</option> <option value="">Services</option> <option value="">Customers</option> <option value="">Technical</option> </select>

El esquema para los nombres de departamento

 - id -department_name