| Class | Description | 
|---|---|
| ResponseDataHandler |   This class represents the functionality available in Transaction Chaining when you use the $responseData template variable.   |  
| ResponseDataWrapper |   This class is a wrapper over a DSResponse data object, that enables Velocity code to treat a multi-valued data object (a List or array), as either a list or a single object.   |  
| ResponsesHandler |   This class represents the functionality available in Transaction Chaining when you use the $responses template variable.   |