Gravity Flow
| Gravity_Flow_API | The future-proof way to interact with the high level functions in Gravity Flow. |
| Gravity_Flow_Step | An abstract class used as the base for all Steps. |
| Gravity_Flow_Step_Feed_Add_On | Abstract class to be used for integration with Gravity Forms Feed Add-Ons. Extend this class to integrate any Gravity Forms Add-On that is built using the Feed-Add-On Framework. |