{ "$schema": "https://json-schema.org/draft/2020-12/schema", "title": "ToolResultBlockParam", "type": "object", "description": "A tool result content block, providing the output from a tool invocation.", "properties": { "type": { "type": "string" }, "tool_use_id": { "type": "string", "description": "The id of the tool use request this is a result for. Must match a tool_use block id." }, "content": { "type": "string", "description": "The result of the tool call. Can be a string or array of content blocks." }, "is_error": { "type": "boolean", "description": "Set to true if the tool execution resulted in an error." } } }