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SergeyMenshykh c70e594e6c .NET: [Breaking] RenameAgentRunResponse and AgentRunResponseUpdate classes (#3197 )

* rename AgentRunResponse and AgentRunResponseUpdate classes - part1

* rename varialbles, parameters, methods and tests

* rollback unnecessary changes

c70e594e6c · 2026-01-14 10:27:41 +00:00

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A2AAgent_PollingForTaskCompletion.csproj

.NET: Add support for background responses to A2A agent (#2381 )

2025-11-24 19:41:06 +00:00

Program.cs

.NET: [Breaking] RenameAgentRunResponse and AgentRunResponseUpdate classes (#3197 )

2026-01-14 10:27:41 +00:00

README.md

.NET: Add support for background responses to A2A agent (#2381 )

2025-11-24 19:41:06 +00:00

README.md

Polling for A2A Agent Task Completion

This sample demonstrates how to poll for long-running task completion using continuation tokens with an A2A AI agent, following the background responses pattern.

The sample:

Connects to an A2A agent server specified in the A2A_AGENT_HOST environment variable
Sends a request to the agent that may take time to complete
Polls the agent at regular intervals using continuation tokens until a final response is received
Displays the final result

This pattern is useful when an AI model cannot complete a complex task in a single response and needs multiple rounds of processing.

Prerequisites

Before you begin, ensure you have the following prerequisites:

.NET 10.0 SDK or later
An A2A agent server running and accessible via HTTP

Set the following environment variable:

$env:A2A_AGENT_HOST="http://localhost:5000"  # Replace with your A2A agent server host