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The Steps component groups multiple steps into a pipeline. It supports confirmation HITL, pausing before the entire pipeline executes. All HITL settings are configured via HumanReview. Steps only supports requires_confirmation. Passing unsupported fields (like requires_output_review) raises a ValueError.

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Pipeline Confirmation

When requires_confirmation=True, the pipeline pauses before executing any of its steps:
  • Confirm: Execute all steps in the pipeline
  • Reject: Skip the entire pipeline
from agno.workflow import Workflow
from agno.workflow.step import Step
from agno.workflow.steps import Steps
from agno.workflow.types import HumanReview, StepInput, StepOutput
from agno.db.sqlite import SqliteDb

def validate_data(step_input: StepInput) -> StepOutput:
    return StepOutput(content="Validation: Schema verified")

def transform_data(step_input: StepInput) -> StepOutput:
    return StepOutput(content="Transform: Data normalized")

def enrich_data(step_input: StepInput) -> StepOutput:
    return StepOutput(content="Enrichment: External data merged")

workflow = Workflow(
    name="data_pipeline",
    db=SqliteDb(db_file="workflow.db"),
    steps=[
        Step(name="collect", executor=collect_data),
        Steps(
            name="advanced_processing",
            steps=[
                Step(name="validate", executor=validate_data),
                Step(name="transform", executor=transform_data),
                Step(name="enrich", executor=enrich_data),
            ],
            human_review=HumanReview(
                requires_confirmation=True,
                confirmation_message="Run advanced processing pipeline?",
            ),
        ),
        Step(name="report", executor=generate_report),
    ],
)

run_output = workflow.run("Process data")

if run_output.is_paused:
    for req in run_output.steps_requiring_confirmation:
        print(f"Pipeline: {req.step_name}")
        print(f"Message: {req.confirmation_message}")
        
        if input("Run pipeline? (y/n): ").lower() == "y":
            req.confirm()
            print("Executing pipeline")
        else:
            req.reject()
            print("Skipping pipeline")
    
    run_output = workflow.continue_run(run_output)

print(run_output.content)

​
Parameters

ParameterTypeDescription
requires_confirmationboolPause before executing the pipeline
confirmation_messagestrMessage shown to the user
on_rejectOnRejectAction when rejected: skip (default), cancel

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Pipeline Behavior

The confirmation happens once before the pipeline starts. Individual steps within the pipeline do not pause for confirmation (unless they have their own HITL configuration).
User ActionResult
ConfirmExecute all steps in sequence
RejectSkip all steps in the pipeline

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Streaming

Handle pipeline HITL in streaming workflows: 
from agno.run.workflow import StepPausedEvent

for event in workflow.run("input", stream=True, stream_events=True):
    if isinstance(event, StepPausedEvent):
        print(f"Paused at: {event.step_name}")

session = workflow.get_session()
run_output = session.runs[-1]

while run_output.is_paused:
    for req in run_output.steps_requiring_confirmation:
        req.confirm()
    
    for event in workflow.continue_run(run_output, stream=True, stream_events=True):
        pass
    
    session = workflow.get_session()
    run_output = session.runs[-1]

​
Developer Resources