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# Function nemo_relay_tool_handle_parent_uuid

> Return the parent scope UUID of a tool handle, or null if none. Caller must free the result with `nemo_relay_string_free`.

Generated from `cargo doc --no-deps -p nemo-relay -p nemo-relay-adaptive -p nemo-relay-ffi`.

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Return the parent scope UUID of a tool handle, or null if none. Caller must free the result with `nemo_relay_string_free`.

## Safety

`ptr` must be a valid `FfiToolHandle` pointer or null.