Struct ResponseMcpCallArgumentsDeltaEvent 

pub struct ResponseMcpCallArgumentsDeltaEvent {
    pub delta: String,
    pub item_id: String,
    pub output_index: i64,
    pub sequence_number: i64,
    pub type_: ResponseMcpCallArgumentsDeltaEventType,
}

Emitted when there is a delta (partial update) to the arguments of an MCP tool call.

JSON schema

{
 "title": "ResponseMCPCallArgumentsDeltaEvent",
 "description": "Emitted when there is a delta (partial update) to the arguments of an MCP tool call.\n",
 "type": "object",
 "required": [
   "delta",
   "item_id",
   "output_index",
   "sequence_number",
   "type"
 ],
 "properties": {
   "delta": {
     "description": "A JSON string containing the partial update to the arguments for the MCP tool call.\n",
     "type": "string"
   },
   "item_id": {
     "description": "The unique identifier of the MCP tool call item being processed.",
     "type": "string"
   },
   "output_index": {
     "description": "The index of the output item in the response's output array.",
     "type": "integer"
   },
   "sequence_number": {
     "description": "The sequence number of this event.",
     "type": "integer"
   },
   "type": {
     "description": "The type of the event. Always 'response.mcp_call_arguments.delta'.",
     "type": "string",
     "enum": [
       "response.mcp_call_arguments.delta"
     ],
     "x-stainless-const": true
   }
 },
 "x-oaiMeta": {
   "group": "responses",
   "name": "response.mcp_call_arguments.delta"
 }
}

Fields

delta: String

A JSON string containing the partial update to the arguments for the MCP tool call.

item_id: String

The unique identifier of the MCP tool call item being processed.

output_index: i64

The index of the output item in the response’s output array.

sequence_number: i64

The sequence number of this event.

type_: ResponseMcpCallArgumentsDeltaEventType

The type of the event. Always ‘response.mcp_call_arguments.delta’.

Trait Implementations

impl Clone for ResponseMcpCallArgumentsDeltaEvent

fn clone(&self) -> ResponseMcpCallArgumentsDeltaEvent

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ResponseMcpCallArgumentsDeltaEvent

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ResponseMcpCallArgumentsDeltaEvent

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<ResponseMcpCallArgumentsDeltaEvent> for ResponseStreamEvent

fn from(value: ResponseMcpCallArgumentsDeltaEvent) -> Self

Converts to this type from the input type.

impl Serialize for ResponseMcpCallArgumentsDeltaEvent

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.