Object containing information about custom fields or other extended data outside of the core properties of an object.
| Name | Type | Description |
| is_valid | Boolean | True if there is at least one custom property |
| * | object | Custom properties can be accessed using {{ data.propertyname }} or {{ data['property-name'] }} |
| output | String | JSON representation of the current data object, identicial to {{ data | inspect: 4, false }} |
Data objects are copyable using the {% copy_to_dictionary %} method.