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Live System Instruction

This example assumes using Google.Gemini; is in scope and apiKey contains your Google.Gemini API key.

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using var client = new GeminiClient(apiKey);

try
{
    using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(30));

    // Connects with a system instruction to customize model behavior.
    var config = CreateLiveConfig();
    config.SystemInstruction = new Content
    {
        Parts = [new Part { Text = "You are a helpful assistant. Always be concise." }],
    };

    await using var session = await client.ConnectLiveAsync(config, cancellationToken: cts.Token);

    // Send a message — system instruction is accepted at setup time.
    await session.SendTextAsync("Say hello", cts.Token);

    bool receivedResponse = false;
    await foreach (var message in session.ReadEventsAsync(cts.Token))
    {
        if (message.ServerContent?.ModelTurn?.Parts is { Count: > 0 })
        {
            receivedResponse = true;
        }

        if (message.ServerContent?.TurnComplete == true)
        {
            break;
        }
    }

}
catch (WebSocketException ex)
{
}
catch (OperationCanceledException)
{
}