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A system message is a message that sets the default behavior and personality for your agents. You can add it to the history as the first message to influence the behavior of the agent.

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Basic Usage

final agent = Agent('openai');

// Use default assistant
final result1 = await agent.send(
  'Hello!',
  history: [ChatMessage.system('You are a helpful assistant.')],
);
// Response: "Hello! How can I help you today?"

// Use pirate personality
final result2 = await agent.send(
  'Hello!',
  history: [ChatMessage.system('You are a pirate. Speak like one.')],
);
// Response: "Ahoy, matey!"

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Examples

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Next Steps