# recall_on_crosschain_transfer · FT4 Rell API · Chromia Docs (concept)

> @extendable function recall_ on_ crosschain_ transfer(sender_ blockchain_ rid: byte_ array, sender_ id: byte_ array, transfer_ tx_ rid: byte_ array, transf

Source: https://docs.chromia.com/pages/ft4-rell/-f-t4-library/lib.ft4.core.crosschain/recall_on_crosschain_transfer/

FUNCTION

# recall\_on\_crosschain\_transfer

```signature
@extendable function recall_on_crosschain_transfer(sender_blockchain_rid: byte_array, sender_id: byte_array, transfer_tx_rid: byte_array, transfer_op_index: integer)
```

[Source](https://gitlab.com/chromaway/ft4-lib/-/blob/development/rell/src/lib/ft4/core/crosschain/module.rell#lines-57)

The crosschain equivalent of `core.assets.recall_on_internal_transfer`.

Throws if any extension of this function throws.

**Parameters**

* **sender\_blockchain\_rid** — the RID of the blockchain where the transfer originated
* **sender\_id** — the ID of the sender account
* **transfer\_tx\_rid** — the ID of the transaction containing the transfer
* **transfer\_op\_index** — the index of the operation inside that transaction

**See Also**

* `core.assets.recall_on_internal_transfer` — for more information on this function

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-rell/-f-t4%20-library/lib.ft4.core.crosschain/recall_on_crosschain_transfer.html)Generated API reference, mirrored from the live docs