Flows

Decorator-driven multi-step orchestration over typed shared state, with event-driven listeners and state-based routers.

Core

• augments.adk.flows.Flow
• augments.adk.flows.FlowMeta
• augments.adk.flows.FlowStep
• augments.adk.flows.FlowRole

Decorators

• augments.adk.flows.flow_start
• augments.adk.flows.flow_listen
• augments.adk.flows.flow_router
• augments.adk.flows.FlowTriggerSpec

Combinators

• augments.adk.flows.Or
• augments.adk.flows.And

Config and results

• augments.adk.flows.FlowConfig
• augments.adk.flows.FlowErrorPolicy
• augments.adk.flows.FlowRunResult
• augments.adk.flows.FlowRunResultStreaming
• augments.adk.flows.FlowRunStatus

Triggers

• augments.adk.flows.FlowTriggerEvent
• augments.adk.flows.FlowTriggerKind
• augments.adk.flows.FLOW_ERROR_TRIGGER

Events

• augments.adk.flows.FlowStartEvent
• augments.adk.flows.FlowEndEvent
• augments.adk.flows.FlowStepStartEvent
• augments.adk.flows.FlowStepEndEvent
• augments.adk.flows.FlowStepErrorEvent
• augments.adk.flows.FlowStepSkippedEvent
• augments.adk.flows.FlowStepDeferredEvent
• augments.adk.flows.FlowStepRejectedEvent
• augments.adk.flows.FlowRouteEvaluatedEvent
• augments.adk.flows.FlowEvent

Approvals and deferral

• augments.adk.flows.FlowApprovalPolicy
• augments.adk.flows.FlowApprovalDecision
• augments.adk.flows.FlowApprovalStatus
• augments.adk.flows.FlowDeferralKind
• augments.adk.flows.FlowDeferredStep
• augments.adk.flows.FlowAgentDeferred

Step governance

• augments.adk.flows.FlowStepContext
• augments.adk.flows.FlowStepGate
• augments.adk.flows.FlowStepGuardrails
• augments.adk.flows.FlowStepGuardrailFn
• augments.adk.flows.FlowStepGuardrailVerdict
• augments.adk.flows.FlowStepCachePolicy
• augments.adk.flows.FlowCacheKeyFn
• augments.adk.flows.FlowStepRateLimit
• augments.adk.flows.FlowStepRateLimitBehavior

Persistence and distributed execution

• augments.adk.flows.FlowCheckpoint
• augments.adk.flows.FlowWorkerBackend
• augments.adk.flows.FlowBatchClaim
• augments.adk.flows.InMemoryFlowWorkerBackend
• augments.adk.flows.SqliteFlowWorkerBackend

Definition and registry

• augments.adk.flows.FlowDefinition
• augments.adk.flows.StepInfo
• augments.adk.flows.GateInfo
• augments.adk.flows.FlowStepRegistry
• augments.adk.flows.FlowTransitionTable
• augments.adk.flows.GateSpec
• augments.adk.flows.TriggerSpec
• augments.adk.flows.build_flow_definition
• augments.adk.flows.build_transition_table
• augments.adk.flows.collect_step_descriptions

Agent bridge

• augments.adk.flows.FlowExecutable
• augments.adk.flows.arun_flow_agent

Exceptions

• augments.adk.flows.FlowDefinitionError
• augments.adk.flows.FlowStepError
• augments.adk.flows.FlowMaxStepsExceeded
• augments.adk.flows.FlowCheckpointNotFoundError

Flows are executed via Runner.arun_flow. The end-to-end walkthrough lives in the Flows guide.