StepInput

Fields and helper methods on the StepInput object passed to each workflow step.

Parameter	Type	Description
input	Optional[Union[str, Dict[str, Any], List[Any], BaseModel]]	Primary input message (can be any format)
previous_step_content	Optional[Any]	Content from the last step
previous_step_outputs	Optional[Dict[str, StepOutput]]	All previous step outputs by name
additional_data	Optional[Dict[str, Any]]	Additional context data
images	Optional[List[Image]]	Media inputs - images (accumulated from workflow input and previous steps)
videos	Optional[List[Video]]	Media inputs - videos (accumulated from workflow input and previous steps)
audio	Optional[List[Audio]]	Media inputs - audio (accumulated from workflow input and previous steps)
files	Optional[List[File]]	File inputs (accumulated from workflow input and previous steps)
workflow_session	Optional[WorkflowSession]	The workflow session, used by the workflow history helpers

Helper Functions

Method	Return Type	Description
get_input_as_string()	Optional[str]	Convert the primary input to a string
get_step_output(step_name: str)	Optional[StepOutput]	Get the complete StepOutput object from a specific step by name
get_step_content(step_name: str)	Optional[Any]	Get content from a specific step by name
get_all_previous_content()	str	Get all previous step content combined
get_last_step_content()	Optional[Any]	Get content from the immediate previous step
get_workflow_history(num_runs: Optional[int] = None)	List[Tuple[str, str]]	Get the workflow history as a list of tuples
get_workflow_history_context(num_runs: Optional[int] = None)	Optional[str]	Get the workflow history as a formatted context string