Updating Participant Attributes Mid-Conversation via Genesys Cloud CX API

What You Will Build

• You will build a script that modifies the attributes object of an active participant in a Genesys Cloud conversation without terminating the session.
• You will use the Genesys Cloud CX Conversations API endpoint PATCH /api/v2/conversations/{conversationId}/participants/{participantId}.
• You will implement this in Python using the requests library and the official genesys-cloud-purecloud-platform-client SDK.

Prerequisites

• OAuth Client Type: A Genesys Cloud OAuth client with the client_credentials grant type.
• Required Scopes: conversation:participant:write is mandatory for modifying participant data. conversation:read is recommended for initial lookups.
• SDK Version: genesys-cloud-purecloud-platform-client version 100.0.0 or higher.
• Language/Runtime: Python 3.8+.
• External Dependencies:
  • requests (for raw HTTP examples)
  • genesys-cloud-purecloud-platform-client (for SDK examples)

Authentication Setup

Before accessing the Conversations API, you must obtain a valid JWT access token. The Genesys Cloud API uses OAuth 2.0. For server-to-server integrations, the client_credentials flow is the standard.

Python Implementation

Install the SDK first:

pip install genesys-cloud-purecloud-platform-client

Initialize the client and authenticate. This example uses environment variables for credentials.

import os
from purecloudplatformclientv2 import Configuration, ApiClient
from purecloudplatformclientv2.rest import ApiException

def get_api_client():
    """
    Configures and returns an authenticated PureCloudPlatformClientV2 ApiClient.
    """
    # Retrieve credentials from environment variables
    client_id = os.getenv("GENESYS_CLIENT_ID")
    client_secret = os.getenv("GENESYS_CLIENT_SECRET")
    base_url = os.getenv("GENESYS_BASE_URL", "https://api.mypurecloud.com")

    if not client_id or not client_secret:
        raise ValueError("GENESYS_CLIENT_ID and GENESYS_CLIENT_SECRET must be set.")

    # Create configuration object
    configuration = Configuration(
        host=base_url,
        client_id=client_id,
        client_secret=client_secret
    )

    # Create API client
    api_client = ApiClient(configuration)
    
    # Authenticate
    try:
        api_client.authenticate()
        return api_client
    except ApiException as e:
        print(f"Authentication failed: {e.body}")
        raise

# Initialize the client
api_client = get_api_client()

Implementation

Modifying participant attributes requires identifying the specific conversation and participant. The attributes field is a JSON object that persists for the duration of the conversation. It is commonly used to store dynamic data such as customer tier, call reason, or routing context variables.

Step 1: Locate the Active Conversation and Participant

You cannot update a participant without knowing their participantId and the conversationId. In a real-world scenario, you might trigger this update via an event subscription (e.g., when a conversation enters a queue). For this tutorial, we will retrieve an active conversation by querying the user’s current conversations.

Endpoint: GET /api/v2/users/me/conversations
Scope: conversation:read

from purecloudplatformclientv2 import ConversationApi

def get_active_conversation(api_client):
    """
    Retrieves the first active conversation for the authenticated user.
    Returns (conversation_id, participant_id) or None.
    """
    conversation_api = ConversationApi(api_client)
    
    try:
        # Fetch conversations for the authenticated user
        # Limit to 1 for simplicity; in production, filter by state='active'
        response = conversation_api.get_users_me_conversations(limit=1)
        
        if not response.entities or len(response.entities) == 0:
            print("No active conversations found for the user.")
            return None

        conversation = response.entities[0]
        conversation_id = conversation.id
        
        # Find the participant ID associated with the user
        # The user is typically one of the participants
        my_participant_id = None
        for participant in conversation.participants:
            if participant.user and participant.user.id == conversation.user.id:
                my_participant_id = participant.id
                break
            
        if not my_participant_id:
            print("Could not identify participant ID for the user.")
            return None
            
        return conversation_id, my_participant_id

    except ApiException as e:
        print(f"Error fetching conversations: {e.body}")
        return None

# Get the IDs
result = get_active_conversation(api_client)
if result:
    conversation_id, participant_id = result
else:
    print("Aborting: No active conversation to update.")
    exit(1)

Step 2: Prepare the Attribute Payload

The PATCH method for participants expects a Participant object. Crucially, you only need to send the fields you intend to update. However, the attributes field must be sent as a complete JSON object if you want to replace the existing attributes, or you must merge them manually if you wish to append. The API does not support deep merging of the attributes object automatically; it replaces the entire object.

Endpoint: PATCH /api/v2/conversations/{conversationId}/participants/{participantId}
Scope: conversation:participant:write

Here is how to construct the payload using the SDK.

from purecloudplatformclientv2.models import Participant, ParticipantAttributes

def create_update_payload(existing_attributes: dict, new_attributes: dict) -> Participant:
    """
    Merges new attributes into existing ones and wraps them in a Participant object.
    """
    # Deep copy to avoid mutating the original reference if necessary
    merged_attributes = existing_attributes.copy()
    merged_attributes.update(new_attributes)
    
    # Create the Participant object
    # Only the 'attributes' field is set; other fields are None, indicating no change.
    update_participant = Participant(
        attributes=merged_attributes
    )
    
    return update_participant

# Example: Add a 'priority' level and a 'source' system tag
new_attrs = {
    "priority": "high",
    "sourceSystem": "crm_integration_v2",
    "timestampUpdated": "2023-10-27T10:00:00Z"
}

# Note: In a real app, you would fetch the current participant first to get existing attributes.
# For this demo, we assume we are setting fresh attributes or we have them in memory.
# If you do not know the existing attributes, you must GET the participant first.

Step 3: Execute the Update

Now apply the patch. The SDK handles the serialization and HTTP headers.

def update_participant_attributes(api_client, conversation_id, participant_id, attributes_dict):
    """
    Updates the attributes of a specific participant in a conversation.
    """
    conversation_api = ConversationApi(api_client)
    
    # Wrap the attributes in the Participant model
    payload = Participant(attributes=attributes_dict)
    
    try:
        # Execute the PATCH request
        response = conversation_api.patch_conversations_conversation_id_participants_participant_id(
            conversation_id=conversation_id,
            participant_id=participant_id,
            body=payload
        )
        
        print(f"Participant updated successfully.")
        print(f"New Attributes: {response.attributes}")
        return response
        
    except ApiException as e:
        # Handle specific errors
        if e.status == 404:
            print(f"Conversation or Participant not found. ID: {conversation_id}, PID: {participant_id}")
        elif e.status == 403:
            print("Forbidden. Check your OAuth scopes. You need 'conversation:participant:write'.")
        elif e.status == 409:
            print("Conflict. The conversation may have ended or the participant state is invalid.")
        else:
            print(f"API Error {e.status}: {e.body}")
        raise

# Execute the update with mock existing data
# In production, fetch current attributes first to avoid overwriting
current_attrs = {
    "customerName": "John Doe",
    "accountType": "Enterprise"
}

# Merge new data
final_attrs = current_attrs.copy()
final_attrs.update(new_attrs)

update_participant_attributes(api_client, conversation_id, participant_id, final_attrs)

Complete Working Example

This script combines authentication, lookup, and update logic into a single runnable module. It assumes you have an active conversation involving the authenticated user.

import os
import sys
from purecloudplatformclientv2 import Configuration, ApiClient, ConversationApi
from purecloudplatformclientv2.rest import ApiException
from purecloudplatformclientv2.models import Participant

# --- Configuration ---

def init_api_client():
    client_id = os.getenv("GENESYS_CLIENT_ID")
    client_secret = os.getenv("GENESYS_CLIENT_SECRET")
    base_url = os.getenv("GENESYS_BASE_URL", "https://api.mypurecloud.com")

    if not client_id or not client_secret:
        print("Error: GENESYS_CLIENT_ID and GENESYS_CLIENT_SECRET environment variables are required.")
        sys.exit(1)

    configuration = Configuration(
        host=base_url,
        client_id=client_id,
        client_secret=client_secret
    )
    
    api_client = ApiClient(configuration)
    try:
        api_client.authenticate()
        return api_client
    except ApiException as e:
        print(f"Authentication failed: {e.body}")
        sys.exit(1)

# --- Logic ---

def find_active_conversation(api_client):
    """
    Finds the first active conversation for the authenticated user.
    Returns (conversation_id, participant_id).
    """
    conv_api = ConversationApi(api_client)
    try:
        # Get conversations for the user
        resp = conv_api.get_users_me_conversations(limit=5)
        
        for conv in resp.entities:
            # Filter for active conversations only
            if conv.state == "active":
                # Find the participant ID for the user
                for part in conv.participants:
                    if part.user and part.user.id == conv.user.id:
                        return conv.id, part.id
        print("No active conversations found.")
        return None, None
    except ApiException as e:
        print(f"Error retrieving conversations: {e.body}")
        return None, None

def update_attributes(api_client, conv_id, part_id, new_attrs):
    """
    Patches the participant attributes.
    """
    conv_api = ConversationApi(api_client)
    
    # Construct the payload
    # Note: We are replacing the entire attributes object.
    # If you need to merge, you must fetch the current participant first.
    payload = Participant(attributes=new_attrs)
    
    try:
        response = conv_api.patch_conversations_conversation_id_participants_participant_id(
            conversation_id=conv_id,
            participant_id=part_id,
            body=payload
        )
        print(f"Success. Updated attributes: {response.attributes}")
        return True
    except ApiException as e:
        print(f"Update failed ({e.status}): {e.body}")
        return False

# --- Execution ---

if __name__ == "__main__":
    # 1. Authenticate
    client = init_api_client()
    
    # 2. Find Context
    conv_id, part_id = find_active_conversation(client)
    
    if conv_id and part_id:
        # 3. Define New Attributes
        # Example: Adding a routing hint or CRM data
        updated_data = {
            "crmId": "CUST-12345",
            "priorityLevel": "High",
            "preferredLanguage": "en-US"
        }
        
        print(f"Updating conversation {conv_id}, participant {part_id}")
        print(f"New attributes: {updated_data}")
        
        # 4. Update
        update_attributes(client, conv_id, part_id, updated_data)
    else:
        print("Could not locate an active conversation to update.")

Common Errors & Debugging

Error: 403 Forbidden

• Cause: The OAuth token used for the request lacks the conversation:participant:write scope.
• Fix: Regenerate the token using a client credential that includes this scope. Verify the scope in the Genesys Cloud Admin Console under Admin > Security > OAuth clients.
• Code Check: Ensure the Configuration object was initialized with a client that has the correct scope.

Error: 404 Not Found

• Cause: The conversationId or participantId provided does not exist, or the conversation has ended.
• Fix: Verify the IDs are correct. Active conversations may close quickly. If this happens in a high-volume environment, implement a retry logic or check the conversation state before updating.
• Debugging: Use GET /api/v2/conversations/{conversationId} to verify the conversation exists and is still active.

Error: 409 Conflict

• Cause: The participant is in a state that does not allow updates, or the conversation has already terminated.
• Fix: Check the state field of the conversation. If it is closed or ended, you cannot update participant attributes.
• Code Check: Add a check for conversation.state == "active" before attempting the patch.

Error: Attributes Overwritten Unexpectedly

• Cause: The PATCH method replaces the entire attributes object. If you send {"A": 1}, and the previous attributes were {"A": 1, "B": 2}, the result is {"A": 1}. B is lost.
• Fix: Always fetch the current participant attributes using GET /api/v2/conversations/{conversationId}/participants/{participantId}, merge your new key-value pairs into the existing dictionary, and then send the merged object in the PATCH request.

Official References

• Genesys Cloud Conversations API Documentation
• Participant Model Reference
• OAuth Scopes Reference