Message

The Message class represents a single message in the conversation.

Properties

• role (Literal["user", "assistant", "system"]): Role of the message
• content (T): Content of the message, where T is a generic parameter
• tool_calls (list[ToolCall] | None): List of tool calls, optional
• reasoning_content (str | None): Reasoning/thinking content from the model (only valid for role="assistant")
• reasoning_signature (str | None): Anthropic thinking signature for round-tripping

Example

from amrita_core.types import Message

# Create different types of messages
system_msg = Message(content="You are a helpful assistant.", role="system")
user_msg = Message(content="Hello, how are you?", role="user")
assistant_msg = Message(content="I'm doing well, thank you!", role="assistant")

Description

The Message class inherits from BaseModel and implements generics to represent messages in a conversation. It includes role, content, and optional tool call information.