ToolResponse

The execution result of a specific tool from the client or the agent.

JSON representation 
{
  "id": string,
  "displayName": string,
  "response": {
    object
  },
  "parentToolCallId": string,
  "agentName": string,

  // Union field tool_identifier can be only one of the following:
  "tool": string,
  "toolsetTool": {
    object (ToolsetTool)
  }
  // End of list of possible types for union field tool_identifier.
}
Fields
id

string

Optional. The matching ID of the tool call the response is for.
displayName

string

Output only. Display name of the tool.
response

object (Struct format)

Required. The tool execution result in JSON object format. Use "output" key to specify tool response and "error" key to specify error details (if any). If "output" and "error" keys are not specified, then whole "response" is treated as tool execution result.
parentToolCallId

string

Output only. The id of the tool call that caused this one, when it was issued by a sub-agent working on behalf of a parent call. Empty for top-level calls. Lets a client group a sub-agent's work under the call that started it instead of rendering every step as a sibling.
agentName

string

Output only. Human-readable name of the agent that issued this call, e.g. "Contract Architect". Empty when the root agent issued it.
Union field tool_identifier. The identifier of the tool that got executed. It could be either a persisted tool or a tool from a toolset. tool_identifier can be only one of the following:
tool

string

Optional. The name of the tool to execute. Format: projects/{project}/locations/{location}/apps/{app}/tools/{tool}
toolsetTool

object (ToolsetTool)

Optional. The toolset tool that got executed.