ToolCallDelta

Implement the model contract and normalize usage and stream output. See the guide.

class zett_agent.model.ToolCallDelta(index, id_delta='', name_delta='', arguments_delta='')

One streamed fragment of a model-requested tool call.

Parameters:

• index (int)

• id_delta (str)

• name_delta (str)

• arguments_delta (str)

index: int

Zero-based tool-call index used to assemble parallel streamed fragments.

id_delta: str

Incremental call identifier; may be empty after the initial fragment.

name_delta: str

Incremental function name; concatenate before executing the tool.

arguments_delta: str

Partial serialized arguments; not necessarily valid standalone JSON.