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Python: Add sample on how to share a thread between agents in a workflow (#3405)

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* Add sample on how to share a thread between agents in a workflow

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Tao Chen
2026-01-30 10:07:58 -08:00
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python/samples/getting_started/workflows/README.md
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@@ -18,11 +18,11 @@ To export visualization images you also need to [install GraphViz](https://graph
Begin with the `_start-here` folder in order. These three samples introduce the core ideas of executors, edges, agents in workflows, and streaming.
| Sample | File | Concepts |
|--------|------|----------|
| Executors and Edges | [_start-here/step1_executors_and_edges.py](./_start-here/step1_executors_and_edges.py) | Minimal workflow with basic executors and edges |
| Agents in a Workflow | [_start-here/step2_agents_in_a_workflow.py](./_start-here/step2_agents_in_a_workflow.py) | Introduces adding Agents as nodes; calling agents inside a workflow |
| Streaming (Basics) | [_start-here/step3_streaming.py](./_start-here/step3_streaming.py) | Extends workflows with event streaming |
| Sample | File | Concepts |
| -------------------- | ----------------------------------------------------------------------------------------- | ------------------------------------------------------------------- |
| Executors and Edges | [\_start-here/step1_executors_and_edges.py](./_start-here/step1_executors_and_edges.py) | Minimal workflow with basic executors and edges |
| Agents in a Workflow | [\_start-here/step2_agents_in_a_workflow.py](./_start-here/step2_agents_in_a_workflow.py) | Introduces adding Agents as nodes; calling agents inside a workflow |
| Streaming (Basics) | [\_start-here/step3_streaming.py](./_start-here/step3_streaming.py) | Extends workflows with event streaming |
Once comfortable with these, explore the rest of the samples below.
@@ -32,101 +32,102 @@ Once comfortable with these, explore the rest of the samples below.
### agents
| Sample | File | Concepts |
|---|---|---|
| Azure Chat Agents (Streaming) | [agents/azure_chat_agents_streaming.py](./agents/azure_chat_agents_streaming.py) | Add Azure Chat agents as edges and handle streaming events |
| Azure AI Chat Agents (Streaming) | [agents/azure_ai_agents_streaming.py](./agents/azure_ai_agents_streaming.py) | Add Azure AI agents as edges and handle streaming events |
| Azure Chat Agents (Function Bridge) | [agents/azure_chat_agents_function_bridge.py](./agents/azure_chat_agents_function_bridge.py) | Chain two agents with a function executor that injects external context |
| Azure Chat Agents (Tools + HITL) | [agents/azure_chat_agents_tool_calls_with_feedback.py](./agents/azure_chat_agents_tool_calls_with_feedback.py) | Tool-enabled writer/editor pipeline with human feedback gating |
| Custom Agent Executors | [agents/custom_agent_executors.py](./agents/custom_agent_executors.py) | Create executors to handle agent run methods |
| Sequential Workflow as Agent | [agents/sequential_workflow_as_agent.py](./agents/sequential_workflow_as_agent.py) | Build a sequential workflow orchestrating agents, then expose it as a reusable agent |
| Concurrent Workflow as Agent | [agents/concurrent_workflow_as_agent.py](./agents/concurrent_workflow_as_agent.py) | Build a concurrent fan-out/fan-in workflow, then expose it as a reusable agent |
| Magentic Workflow as Agent | [agents/magentic_workflow_as_agent.py](./agents/magentic_workflow_as_agent.py) | Configure Magentic orchestration with callbacks, then expose the workflow as an agent |
| Workflow as Agent (Reflection Pattern) | [agents/workflow_as_agent_reflection_pattern.py](./agents/workflow_as_agent_reflection_pattern.py) | Wrap a workflow so it can behave like an agent (reflection pattern) |
| Workflow as Agent + HITL | [agents/workflow_as_agent_human_in_the_loop.py](./agents/workflow_as_agent_human_in_the_loop.py) | Extend workflow-as-agent with human-in-the-loop capability |
| Workflow as Agent with Thread | [agents/workflow_as_agent_with_thread.py](./agents/workflow_as_agent_with_thread.py) | Use AgentThread to maintain conversation history across workflow-as-agent invocations |
| Workflow as Agent kwargs | [agents/workflow_as_agent_kwargs.py](./agents/workflow_as_agent_kwargs.py) | Pass custom context (data, user tokens) via kwargs through workflow.as_agent() to @tool functions |
| Handoff Workflow as Agent | [agents/handoff_workflow_as_agent.py](./agents/handoff_workflow_as_agent.py) | Use a HandoffBuilder workflow as an agent with HITL via FunctionCallContent/FunctionResultContent |
| Sample | File | Concepts |
| -------------------------------------- | -------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- |
| Azure Chat Agents (Streaming) | [agents/azure_chat_agents_streaming.py](./agents/azure_chat_agents_streaming.py) | Add Azure Chat agents as edges and handle streaming events |
| Azure AI Agents (Streaming) | [agents/azure_ai_agents_streaming.py](./agents/azure_ai_agents_streaming.py) | Add Azure AI agents as edges and handle streaming events |
| Azure AI Agents (Shared Thread) | [agents/azure_ai_agents_with_shared_thread.py](./agents/azure_ai_agents_with_shared_thread.py) | Share a common message thread between multiple Azure AI agents in a workflow |
| Azure Chat Agents (Function Bridge) | [agents/azure_chat_agents_function_bridge.py](./agents/azure_chat_agents_function_bridge.py) | Chain two agents with a function executor that injects external context |
| Azure Chat Agents (Tools + HITL) | [agents/azure_chat_agents_tool_calls_with_feedback.py](./agents/azure_chat_agents_tool_calls_with_feedback.py) | Tool-enabled writer/editor pipeline with human feedback gating |
| Custom Agent Executors | [agents/custom_agent_executors.py](./agents/custom_agent_executors.py) | Create executors to handle agent run methods |
| Sequential Workflow as Agent | [agents/sequential_workflow_as_agent.py](./agents/sequential_workflow_as_agent.py) | Build a sequential workflow orchestrating agents, then expose it as a reusable agent |
| Concurrent Workflow as Agent | [agents/concurrent_workflow_as_agent.py](./agents/concurrent_workflow_as_agent.py) | Build a concurrent fan-out/fan-in workflow, then expose it as a reusable agent |
| Magentic Workflow as Agent | [agents/magentic_workflow_as_agent.py](./agents/magentic_workflow_as_agent.py) | Configure Magentic orchestration with callbacks, then expose the workflow as an agent |
| Workflow as Agent (Reflection Pattern) | [agents/workflow_as_agent_reflection_pattern.py](./agents/workflow_as_agent_reflection_pattern.py) | Wrap a workflow so it can behave like an agent (reflection pattern) |
| Workflow as Agent + HITL | [agents/workflow_as_agent_human_in_the_loop.py](./agents/workflow_as_agent_human_in_the_loop.py) | Extend workflow-as-agent with human-in-the-loop capability |
| Workflow as Agent with Thread | [agents/workflow_as_agent_with_thread.py](./agents/workflow_as_agent_with_thread.py) | Use AgentThread to maintain conversation history across workflow-as-agent invocations |
| Workflow as Agent kwargs | [agents/workflow_as_agent_kwargs.py](./agents/workflow_as_agent_kwargs.py) | Pass custom context (data, user tokens) via kwargs through workflow.as_agent() to @ai_function tools |
| Handoff Workflow as Agent | [agents/handoff_workflow_as_agent.py](./agents/handoff_workflow_as_agent.py) | Use a HandoffBuilder workflow as an agent with HITL via FunctionCallContent/FunctionResultContent |
### checkpoint
| Sample | File | Concepts |
|---|---|---|
| Checkpoint & Resume | [checkpoint/checkpoint_with_resume.py](./checkpoint/checkpoint_with_resume.py) | Create checkpoints, inspect them, and resume execution |
| Checkpoint & HITL Resume | [checkpoint/checkpoint_with_human_in_the_loop.py](./checkpoint/checkpoint_with_human_in_the_loop.py) | Combine checkpointing with human approvals and resume pending HITL requests |
| Checkpointed Sub-Workflow | [checkpoint/sub_workflow_checkpoint.py](./checkpoint/sub_workflow_checkpoint.py) | Save and resume a sub-workflow that pauses for human approval |
| Sample | File | Concepts |
| ------------------------------ | -------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- |
| Checkpoint & Resume | [checkpoint/checkpoint_with_resume.py](./checkpoint/checkpoint_with_resume.py) | Create checkpoints, inspect them, and resume execution |
| Checkpoint & HITL Resume | [checkpoint/checkpoint_with_human_in_the_loop.py](./checkpoint/checkpoint_with_human_in_the_loop.py) | Combine checkpointing with human approvals and resume pending HITL requests |
| Checkpointed Sub-Workflow | [checkpoint/sub_workflow_checkpoint.py](./checkpoint/sub_workflow_checkpoint.py) | Save and resume a sub-workflow that pauses for human approval |
| Handoff + Tool Approval Resume | [checkpoint/handoff_with_tool_approval_checkpoint_resume.py](./checkpoint/handoff_with_tool_approval_checkpoint_resume.py) | Handoff workflow that captures tool-call approvals in checkpoints and resumes with human decisions |
| Workflow as Agent Checkpoint | [checkpoint/workflow_as_agent_checkpoint.py](./checkpoint/workflow_as_agent_checkpoint.py) | Enable checkpointing when using workflow.as_agent() with checkpoint_storage parameter |
| Workflow as Agent Checkpoint | [checkpoint/workflow_as_agent_checkpoint.py](./checkpoint/workflow_as_agent_checkpoint.py) | Enable checkpointing when using workflow.as_agent() with checkpoint_storage parameter |
### composition
| Sample | File | Concepts |
|---|---|---|
| Sub-Workflow (Basics) | [composition/sub_workflow_basics.py](./composition/sub_workflow_basics.py) | Wrap a workflow as an executor and orchestrate sub-workflows |
| Sub-Workflow: Request Interception | [composition/sub_workflow_request_interception.py](./composition/sub_workflow_request_interception.py) | Intercept and forward sub-workflow requests using @handler for SubWorkflowRequestMessage |
| Sub-Workflow: Parallel Requests | [composition/sub_workflow_parallel_requests.py](./composition/sub_workflow_parallel_requests.py) | Multiple specialized interceptors handling different request types from same sub-workflow |
| Sub-Workflow: kwargs Propagation | [composition/sub_workflow_kwargs.py](./composition/sub_workflow_kwargs.py) | Pass custom context (user tokens, config) from parent workflow through to sub-workflow agents |
| Sample | File | Concepts |
| ---------------------------------- | ------------------------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------- |
| Sub-Workflow (Basics) | [composition/sub_workflow_basics.py](./composition/sub_workflow_basics.py) | Wrap a workflow as an executor and orchestrate sub-workflows |
| Sub-Workflow: Request Interception | [composition/sub_workflow_request_interception.py](./composition/sub_workflow_request_interception.py) | Intercept and forward sub-workflow requests using @handler for SubWorkflowRequestMessage |
| Sub-Workflow: Parallel Requests | [composition/sub_workflow_parallel_requests.py](./composition/sub_workflow_parallel_requests.py) | Multiple specialized interceptors handling different request types from same sub-workflow |
| Sub-Workflow: kwargs Propagation | [composition/sub_workflow_kwargs.py](./composition/sub_workflow_kwargs.py) | Pass custom context (user tokens, config) from parent workflow through to sub-workflow agents |
### control-flow
| Sample | File | Concepts |
|---|---|---|
| Sequential Executors | [control-flow/sequential_executors.py](./control-flow/sequential_executors.py) | Sequential workflow with explicit executor setup |
| Sequential (Streaming) | [control-flow/sequential_streaming.py](./control-flow/sequential_streaming.py) | Stream events from a simple sequential run |
| Edge Condition | [control-flow/edge_condition.py](./control-flow/edge_condition.py) | Conditional routing based on agent classification |
| Switch-Case Edge Group | [control-flow/switch_case_edge_group.py](./control-flow/switch_case_edge_group.py) | Switch-case branching using classifier outputs |
| Sample | File | Concepts |
| -------------------------- | ------------------------------------------------------------------------------------------ | ------------------------------------------------------- |
| Sequential Executors | [control-flow/sequential_executors.py](./control-flow/sequential_executors.py) | Sequential workflow with explicit executor setup |
| Sequential (Streaming) | [control-flow/sequential_streaming.py](./control-flow/sequential_streaming.py) | Stream events from a simple sequential run |
| Edge Condition | [control-flow/edge_condition.py](./control-flow/edge_condition.py) | Conditional routing based on agent classification |
| Switch-Case Edge Group | [control-flow/switch_case_edge_group.py](./control-flow/switch_case_edge_group.py) | Switch-case branching using classifier outputs |
| Multi-Selection Edge Group | [control-flow/multi_selection_edge_group.py](./control-flow/multi_selection_edge_group.py) | Select one or many targets dynamically (subset fan-out) |
| Simple Loop | [control-flow/simple_loop.py](./control-flow/simple_loop.py) | Feedback loop where an agent judges ABOVE/BELOW/MATCHED |
| Workflow Cancellation | [control-flow/workflow_cancellation.py](./control-flow/workflow_cancellation.py) | Cancel a running workflow using asyncio tasks |
| Simple Loop | [control-flow/simple_loop.py](./control-flow/simple_loop.py) | Feedback loop where an agent judges ABOVE/BELOW/MATCHED |
| Workflow Cancellation | [control-flow/workflow_cancellation.py](./control-flow/workflow_cancellation.py) | Cancel a running workflow using asyncio tasks |
### human-in-the-loop
| Sample | File | Concepts |
|---|---|---|
| Human-In-The-Loop (Guessing Game) | [human-in-the-loop/guessing_game_with_human_input.py](./human-in-the-loop/guessing_game_with_human_input.py) | Interactive request/response prompts with a human via `ctx.request_info()` |
| Agents with Approval Requests in Workflows | [human-in-the-loop/agents_with_approval_requests.py](./human-in-the-loop/agents_with_approval_requests.py) | Agents that create approval requests during workflow execution and wait for human approval to proceed |
| SequentialBuilder Request Info | [human-in-the-loop/sequential_request_info.py](./human-in-the-loop/sequential_request_info.py) | Request info for agent responses mid-workflow using `.with_request_info()` on SequentialBuilder |
| ConcurrentBuilder Request Info | [human-in-the-loop/concurrent_request_info.py](./human-in-the-loop/concurrent_request_info.py) | Review concurrent agent outputs before aggregation using `.with_request_info()` on ConcurrentBuilder |
| GroupChatBuilder Request Info | [human-in-the-loop/group_chat_request_info.py](./human-in-the-loop/group_chat_request_info.py) | Steer group discussions with periodic guidance using `.with_request_info()` on GroupChatBuilder |
| Sample | File | Concepts |
| ------------------------------------------ | ------------------------------------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------- |
| Human-In-The-Loop (Guessing Game) | [human-in-the-loop/guessing_game_with_human_input.py](./human-in-the-loop/guessing_game_with_human_input.py) | Interactive request/response prompts with a human via `ctx.request_info()` |
| Agents with Approval Requests in Workflows | [human-in-the-loop/agents_with_approval_requests.py](./human-in-the-loop/agents_with_approval_requests.py) | Agents that create approval requests during workflow execution and wait for human approval to proceed |
| SequentialBuilder Request Info | [human-in-the-loop/sequential_request_info.py](./human-in-the-loop/sequential_request_info.py) | Request info for agent responses mid-workflow using `.with_request_info()` on SequentialBuilder |
| ConcurrentBuilder Request Info | [human-in-the-loop/concurrent_request_info.py](./human-in-the-loop/concurrent_request_info.py) | Review concurrent agent outputs before aggregation using `.with_request_info()` on ConcurrentBuilder |
| GroupChatBuilder Request Info | [human-in-the-loop/group_chat_request_info.py](./human-in-the-loop/group_chat_request_info.py) | Steer group discussions with periodic guidance using `.with_request_info()` on GroupChatBuilder |
### tool-approval
Tool approval samples demonstrate using `@tool(approval_mode="always_require")` to gate sensitive tool executions with human approval. These work with the high-level builder APIs.
| Sample | File | Concepts |
|---|---|---|
| Sample | File | Concepts |
| ------------------------------- | -------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------- |
| SequentialBuilder Tool Approval | [tool-approval/sequential_builder_tool_approval.py](./tool-approval/sequential_builder_tool_approval.py) | Sequential workflow with tool approval gates for sensitive operations |
| ConcurrentBuilder Tool Approval | [tool-approval/concurrent_builder_tool_approval.py](./tool-approval/concurrent_builder_tool_approval.py) | Concurrent workflow with tool approvals across parallel agents |
| GroupChatBuilder Tool Approval | [tool-approval/group_chat_builder_tool_approval.py](./tool-approval/group_chat_builder_tool_approval.py) | Group chat workflow with tool approval for multi-agent collaboration |
| ConcurrentBuilder Tool Approval | [tool-approval/concurrent_builder_tool_approval.py](./tool-approval/concurrent_builder_tool_approval.py) | Concurrent workflow with tool approvals across parallel agents |
| GroupChatBuilder Tool Approval | [tool-approval/group_chat_builder_tool_approval.py](./tool-approval/group_chat_builder_tool_approval.py) | Group chat workflow with tool approval for multi-agent collaboration |
### observability
| Sample | File | Concepts |
|---|---|---|
| Sample | File | Concepts |
| ------------------------ | -------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------- |
| Executor I/O Observation | [observability/executor_io_observation.py](./observability/executor_io_observation.py) | Observe executor input/output data via ExecutorInvokedEvent and ExecutorCompletedEvent without modifying executor code |
For additional observability samples in Agent Framework, see the [observability getting started samples](../observability/README.md). The [sample](../observability/workflow_observability.py) demonstrates integrating observability into workflows.
### orchestration
| Sample | File | Concepts |
|---|---|---|
| Concurrent Orchestration (Default Aggregator) | [orchestration/concurrent_agents.py](./orchestration/concurrent_agents.py) | Fan-out to multiple agents; fan-in with default aggregator returning combined ChatMessages |
| Concurrent Orchestration (Custom Aggregator) | [orchestration/concurrent_custom_aggregator.py](./orchestration/concurrent_custom_aggregator.py) | Override aggregator via callback; summarize results with an LLM |
| Concurrent Orchestration (Custom Agent Executors) | [orchestration/concurrent_custom_agent_executors.py](./orchestration/concurrent_custom_agent_executors.py) | Child executors own ChatAgents; concurrent fan-out/fan-in via ConcurrentBuilder |
| Concurrent Orchestration (Participant Factory) | [orchestration/concurrent_participant_factory.py](./orchestration/concurrent_participant_factory.py) | Use participant factories for state isolation between workflow instances |
| Group Chat with Agent Manager | [orchestration/group_chat_agent_manager.py](./orchestration/group_chat_agent_manager.py) | Agent-based manager using `with_orchestrator(agent=)` to select next speaker |
| Group Chat Philosophical Debate | [orchestration/group_chat_philosophical_debate.py](./orchestration/group_chat_philosophical_debate.py) | Agent manager moderates long-form, multi-round debate across diverse participants |
| Group Chat with Simple Function Selector | [orchestration/group_chat_simple_selector.py](./orchestration/group_chat_simple_selector.py) | Group chat with a simple function selector for next speaker |
| Handoff (Simple) | [orchestration/handoff_simple.py](./orchestration/handoff_simple.py) | Single-tier routing: triage agent routes to specialists, control returns to user after each specialist response |
| Handoff (Autonomous) | [orchestration/handoff_autonomous.py](./orchestration/handoff_autonomous.py) | Autonomous mode: specialists iterate independently until invoking a handoff tool using `.with_autonomous_mode()` |
| Handoff (Participant Factory) | [orchestration/handoff_participant_factory.py](./orchestration/handoff_participant_factory.py) | Use participant factories for state isolation between workflow instances |
| Magentic Workflow (Multi-Agent) | [orchestration/magentic.py](./orchestration/magentic.py) | Orchestrate multiple agents with Magentic manager and streaming |
| Magentic + Human Plan Review | [orchestration/magentic_human_plan_review.py](./orchestration/magentic_human_plan_review.py) | Human reviews/updates the plan before execution |
| Magentic + Checkpoint Resume | [orchestration/magentic_checkpoint.py](./orchestration/magentic_checkpoint.py) | Resume Magentic orchestration from saved checkpoints |
| Sequential Orchestration (Agents) | [orchestration/sequential_agents.py](./orchestration/sequential_agents.py) | Chain agents sequentially with shared conversation context |
| Sequential Orchestration (Custom Executor) | [orchestration/sequential_custom_executors.py](./orchestration/sequential_custom_executors.py) | Mix agents with a summarizer that appends a compact summary |
| Sequential Orchestration (Participant Factories) | [orchestration/sequential_participant_factory.py](./orchestration/sequential_participant_factory.py) | Use participant factories for state isolation between workflow instances |
| Sample | File | Concepts |
| ------------------------------------------------- | ---------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------- |
| Concurrent Orchestration (Default Aggregator) | [orchestration/concurrent_agents.py](./orchestration/concurrent_agents.py) | Fan-out to multiple agents; fan-in with default aggregator returning combined ChatMessages |
| Concurrent Orchestration (Custom Aggregator) | [orchestration/concurrent_custom_aggregator.py](./orchestration/concurrent_custom_aggregator.py) | Override aggregator via callback; summarize results with an LLM |
| Concurrent Orchestration (Custom Agent Executors) | [orchestration/concurrent_custom_agent_executors.py](./orchestration/concurrent_custom_agent_executors.py) | Child executors own ChatAgents; concurrent fan-out/fan-in via ConcurrentBuilder |
| Concurrent Orchestration (Participant Factory) | [orchestration/concurrent_participant_factory.py](./orchestration/concurrent_participant_factory.py) | Use participant factories for state isolation between workflow instances |
| Group Chat with Agent Manager | [orchestration/group_chat_agent_manager.py](./orchestration/group_chat_agent_manager.py) | Agent-based manager using `with_orchestrator(agent=)` to select next speaker |
| Group Chat Philosophical Debate | [orchestration/group_chat_philosophical_debate.py](./orchestration/group_chat_philosophical_debate.py) | Agent manager moderates long-form, multi-round debate across diverse participants |
| Group Chat with Simple Function Selector | [orchestration/group_chat_simple_selector.py](./orchestration/group_chat_simple_selector.py) | Group chat with a simple function selector for next speaker |
| Handoff (Simple) | [orchestration/handoff_simple.py](./orchestration/handoff_simple.py) | Single-tier routing: triage agent routes to specialists, control returns to user after each specialist response |
| Handoff (Autonomous) | [orchestration/handoff_autonomous.py](./orchestration/handoff_autonomous.py) | Autonomous mode: specialists iterate independently until invoking a handoff tool using `.with_autonomous_mode()` |
| Handoff (Participant Factory) | [orchestration/handoff_participant_factory.py](./orchestration/handoff_participant_factory.py) | Use participant factories for state isolation between workflow instances |
| Magentic Workflow (Multi-Agent) | [orchestration/magentic.py](./orchestration/magentic.py) | Orchestrate multiple agents with Magentic manager and streaming |
| Magentic + Human Plan Review | [orchestration/magentic_human_plan_review.py](./orchestration/magentic_human_plan_review.py) | Human reviews/updates the plan before execution |
| Magentic + Checkpoint Resume | [orchestration/magentic_checkpoint.py](./orchestration/magentic_checkpoint.py) | Resume Magentic orchestration from saved checkpoints |
| Sequential Orchestration (Agents) | [orchestration/sequential_agents.py](./orchestration/sequential_agents.py) | Chain agents sequentially with shared conversation context |
| Sequential Orchestration (Custom Executor) | [orchestration/sequential_custom_executors.py](./orchestration/sequential_custom_executors.py) | Mix agents with a summarizer that appends a compact summary |
| Sequential Orchestration (Participant Factories) | [orchestration/sequential_participant_factory.py](./orchestration/sequential_participant_factory.py) | Use participant factories for state isolation between workflow instances |
**Magentic checkpointing tip**: Treat `MagenticBuilder.participants` keys as stable identifiers. When resuming from a checkpoint, the rebuilt workflow must reuse the same participant names; otherwise the checkpoint cannot be applied and the run will fail fast.
@@ -137,40 +138,45 @@ to configure which agents can route to which others with a fluent, type-safe API
### parallelism
| Sample | File | Concepts |
|---|---|---|
| Concurrent (Fan-out/Fan-in) | [parallelism/fan_out_fan_in_edges.py](./parallelism/fan_out_fan_in_edges.py) | Dispatch to multiple executors and aggregate results |
| Sample | File | Concepts |
| ------------------------------------ | ------------------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------- |
| Concurrent (Fan-out/Fan-in) | [parallelism/fan_out_fan_in_edges.py](./parallelism/fan_out_fan_in_edges.py) | Dispatch to multiple executors and aggregate results |
| Aggregate Results of Different Types | [parallelism/aggregate_results_of_different_types.py](./parallelism/aggregate_results_of_different_types.py) | Handle results of different types from multiple concurrent executors |
| Map-Reduce with Visualization | [parallelism/map_reduce_and_visualization.py](./parallelism/map_reduce_and_visualization.py) | Fan-out/fan-in pattern with diagram export |
| Map-Reduce with Visualization | [parallelism/map_reduce_and_visualization.py](./parallelism/map_reduce_and_visualization.py) | Fan-out/fan-in pattern with diagram export |
### state-management
| Sample | File | Concepts |
| -------------------------------- | ------------------------------------------------------------------------------------------------ | -------------------------------------------------------------------------- |
| Shared States | [state-management/shared_states_with_agents.py](./state-management/shared_states_with_agents.py) | Store in shared state once and later reuse across agents |
| Workflow Kwargs (Custom Context) | [state-management/workflow_kwargs.py](./state-management/workflow_kwargs.py) | Pass custom context (data, user tokens) via kwargs to `@ai_function` tools |
=======
| Sample | File | Concepts |
|---|---|---|
| Shared States | [state-management/shared_states_with_agents.py](./state-management/shared_states_with_agents.py) | Store in shared state once and later reuse across agents |
| Workflow Kwargs (Custom Context) | [state-management/workflow_kwargs.py](./state-management/workflow_kwargs.py) | Pass custom context (data, user tokens) via kwargs to `@tool` tools |
### visualization
| Sample | File | Concepts |
|---|---|---|
| Sample | File | Concepts |
| ----------------------------- | -------------------------------------------------------------------------------------------------- | ------------------------------------------- |
| Concurrent with Visualization | [visualization/concurrent_with_visualization.py](./visualization/concurrent_with_visualization.py) | Fan-out/fan-in workflow with diagram export |
### declarative
YAML-based declarative workflows allow you to define multi-agent orchestration patterns without writing Python code. See the [declarative workflows README](./declarative/README.md) for more details on YAML workflow syntax and available actions.
| Sample | File | Concepts |
|---|---|---|
| Conditional Workflow | [declarative/conditional_workflow/](./declarative/conditional_workflow/) | Nested conditional branching based on user input |
| Customer Support | [declarative/customer_support/](./declarative/customer_support/) | Multi-agent customer support with routing |
| Deep Research | [declarative/deep_research/](./declarative/deep_research/) | Research workflow with planning, searching, and synthesis |
| Function Tools | [declarative/function_tools/](./declarative/function_tools/) | Invoking Python functions from declarative workflows |
| Human-in-Loop | [declarative/human_in_loop/](./declarative/human_in_loop/) | Interactive workflows that request user input |
| Marketing | [declarative/marketing/](./declarative/marketing/) | Marketing content generation workflow |
| Simple Workflow | [declarative/simple_workflow/](./declarative/simple_workflow/) | Basic workflow with variable setting, conditionals, and loops |
| Student Teacher | [declarative/student_teacher/](./declarative/student_teacher/) | Student-teacher interaction pattern |
| Sample | File | Concepts |
| -------------------- | ------------------------------------------------------------------------ | ------------------------------------------------------------- |
| Conditional Workflow | [declarative/conditional_workflow/](./declarative/conditional_workflow/) | Nested conditional branching based on user input |
| Customer Support | [declarative/customer_support/](./declarative/customer_support/) | Multi-agent customer support with routing |
| Deep Research | [declarative/deep_research/](./declarative/deep_research/) | Research workflow with planning, searching, and synthesis |
| Function Tools | [declarative/function_tools/](./declarative/function_tools/) | Invoking Python functions from declarative workflows |
| Human-in-Loop | [declarative/human_in_loop/](./declarative/human_in_loop/) | Interactive workflows that request user input |
| Marketing | [declarative/marketing/](./declarative/marketing/) | Marketing content generation workflow |
| Simple Workflow | [declarative/simple_workflow/](./declarative/simple_workflow/) | Basic workflow with variable setting, conditionals, and loops |
| Student Teacher | [declarative/student_teacher/](./declarative/student_teacher/) | Student-teacher interaction pattern |
### resources
@@ -189,8 +195,8 @@ Sequential orchestration uses a few small adapter nodes for plumbing:
- "input-conversation" normalizes input to `list[ChatMessage]`
- "to-conversation:<participant>" converts agent responses into the shared conversation
- "complete" publishes the final `WorkflowOutputEvent`
These may appear in event streams (ExecutorInvoke/Completed). They’re analogous to
concurrent’s dispatcher and aggregator and can be ignored if you only care about agent activity.
These may appear in event streams (ExecutorInvoke/Completed). They’re analogous to
concurrent’s dispatcher and aggregator and can be ignored if you only care about agent activity.
### Environment Variables