Claude · Schema

ToolResultBlockParam

A tool result content block, providing the output from a tool invocation.

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Name	Type	Description
type	string
tool_use_id	string	The id of the tool use request this is a result for. Must match a tool_use block id.
content	string	The result of the tool call. Can be a string or array of content blocks.
is_error	boolean	Set to true if the tool execution resulted in an error.