| Name | Description | Type | Additional information |
|---|---|---|---|
| _gravity_form_cart_item_key | string |
None. |
|
| _gravity_form_linked_entry_id | integer |
None. |
|
| _gravity_form_lead | GravityFormLead |
None. |
|
| _gravity_form_data | GravityFormData |
None. |