response.function_call_arguments.delta but for custom tools whose input is opaque text rather than JSON arguments.
Fields
| Field | Type | Required | Description |
|---|---|---|---|
delta | str | :heavy_check_mark: | N/A |
item_id | str | :heavy_check_mark: | N/A |
output_index | int | :heavy_check_mark: | N/A |
sequence_number | int | :heavy_check_mark: | N/A |
type | components.CustomToolCallInputDeltaEventType | :heavy_check_mark: | N/A |