send_message: name: Send Message description: Send a text message to OpenClaw and get a response. fields: message: name: Message description: The message text to send to OpenClaw. required: true example: "What's the weather like today?" selector: text: multiline: true session_id: name: Session ID description: Optional conversation session ID. Messages with the same session ID share context. required: false example: "my-automation-session" selector: text: attachments: name: Attachments description: Optional list of file paths to attach to the message. required: false selector: text: multiline: true agent_id: name: Agent ID description: > Optional OpenClaw agent ID to route this message to. Overrides the agent ID configured in the integration options. Defaults to "main". required: false example: "main" selector: text: clear_history: name: Clear History description: Clear the conversation history for a session. fields: session_id: name: Session ID description: Session ID to clear. If omitted, clears the default session. required: false selector: text: invoke_tool: name: Invoke Tool description: Invoke a single OpenClaw Gateway tool via /tools/invoke. fields: tool: name: Tool description: Tool name to invoke. required: true example: "sessions_list" selector: text: action: name: Action description: Optional action string passed to the tool endpoint. required: false example: "json" selector: text: args: name: Args description: Tool-specific args object. required: false selector: object: session_key: name: Session Key description: Optional target OpenClaw session key. required: false example: "main" selector: text: dry_run: name: Dry Run description: Optional dry-run flag (reserved by gateway). required: false selector: boolean: message_channel: name: Message Channel description: Optional channel hint header (e.g. slack, telegram). required: false selector: text: account_id: name: Account ID description: Optional account hint header for multi-account routing. required: false selector: text: