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# rpc_ai_global_data

> Merge data into another call's global_data without adding a conversation turn.

[functionresult]: /docs/server-sdks/reference/python/agents/function-result

[rpcaimessage]: /docs/server-sdks/reference/python/agents/function-result/rpc-ai-message

Merge data into another call's `global_data` without injecting a conversation
turn. A thin wrapper over [`rpc_ai_message()`][rpcaimessage] with only
`global_data` set. Use it when the other call needs a value rather than an
instruction; the destination prompt reads it back with `${global_data.key}`.

## Parameters

**`call_id`** `str` — required

Call ID of the target call.

---

**`data`** `dict[str, Any]` — required

Object merged into that call's `global_data`. Existing keys not in `data`
are left in place.

---

## Returns

[`FunctionResult`][functionresult] — self, for chaining.

## Example

```python {11-13}
from signalwire import AgentBase
from signalwire import FunctionResult

agent = AgentBase(name="my-agent", route="/agent")
agent.set_prompt_text("You are a helpful assistant.")

@agent.tool(name="share_eta", description="Send the ETA to the waiting caller")
def share_eta(args, raw_data):
    waiting_call_id = args["waiting_call_id"]
    return (
        FunctionResult("Tell the driver the passenger has been updated.")
        .rpc_ai_global_data(waiting_call_id, {"eta_minutes": args["eta_minutes"]})
        .rpc_ai_unhold(waiting_call_id)
    )

agent.serve()
```

> Merge data into another call's global_data without adding a conversation turn.