| label | The text to use as a label for the field. | 
Initializes and returns an instance of LayerField.
Initializes and returns an instance of LayerField.
| defaultValue | The initial layer value this field should use. | 
Initializes and returns an instance of LayerField.
| label | The text to use as a label for the field. | 
| defaultValue | The initial layer value this field should use. | 
Initializes and returns an instance of LayerField.