agent-framework/python/samples/03-workflows/declarative/student_teacher/workflow.yaml at main · microsoft/agent-framework · GitHub

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# Student-Teacher Math Chat Workflow
#
# Demonstrates iterative conversation between two agents with loop control
# and termination conditions.
#
# Example input:
# How would you compute the value of PI?
#
kind: Workflow
trigger:

  kind: OnConversationStart
  id: student_teacher_workflow
  actions:

    # Initialize turn counter
    - kind: SetVariable
      id: init_counter
      variable: Local.TurnCount
      value: =0

    # Announce the start with the problem
    - kind: SendActivity
      id: announce_start
      activity:
        text: '=Concat("Starting math coaching session for: ", Workflow.Inputs.input)'

    # Label for student
    - kind: SendActivity
      id: student_label
      activity:
        text: "\n[Student]:\n"

    # Student attempts to solve - entry point for loop
    # No explicit input.messages - uses implicit input from workflow inputs or conversation
    - kind: InvokeAzureAgent
      id: question_student
      conversationId: =System.ConversationId
      agent:
        name: StudentAgent

    # Label for teacher
    - kind: SendActivity
      id: teacher_label
      activity:
        text: "\n\n[Teacher]:\n"

    # Teacher reviews and coaches
    # No explicit input.messages - uses conversation context from conversationId
    - kind: InvokeAzureAgent
      id: question_teacher
      conversationId: =System.ConversationId
      agent:
        name: TeacherAgent
      output:
        messages: Local.TeacherResponse

    # Increment the turn counter
    - kind: SetVariable
      id: increment_counter
      variable: Local.TurnCount
      value: =Local.TurnCount + 1

    # Check for completion using ConditionGroup
    - kind: ConditionGroup
      id: check_completion
      conditions:
        - id: success_condition
          condition: =!IsBlank(Find("CONGRATULATIONS", Upper(MessageText(Local.TeacherResponse))))
          actions:
            - kind: SendActivity
              id: success_message
              activity:
                text: "\nGOLD STAR! The student has demonstrated understanding."
            - kind: SetVariable
              id: set_success_result
              variable: workflow.outputs.result
              value: success
      elseActions:
        - kind: ConditionGroup
          id: check_turn_limit
          conditions:
            - id: can_continue
              condition: =Local.TurnCount < 4
              actions:
                # Continue the loop - go back to student label
                - kind: GotoAction
                  id: continue_loop
                  actionId: student_label
          elseActions:
            - kind: SendActivity
              id: timeout_message
              activity:
                text: "\nLet's try again later... The session has reached its limit."
            - kind: SetVariable
              id: set_timeout_result
              variable: workflow.outputs.result
              value: timeout