# completeTransfer · FT4 TypeScript client · Chromia Docs (concept)

> completeTransfer(tx: RawGtx, opIndex: number): Operation Builds an operation object that can be used to call ft4.crosschain.complete_transfer operation Par

Source: https://docs.chromia.com/pages/ft4-ts-client/functions/crosschain.completeTransfer/

Function

# completeTransfer

* ```signature
  completeTransfer(tx: RawGtx, opIndex: number): Operation
  ```

  Builds an operation object that can be used to call `ft4.crosschain.complete_transfer` operation

  #### Parameters

  + tx: RawGtx

    the transaction that was submitted to the previous chain hop on the path which contains the transfer to complete
  + opIndex: number

    the index inside the `tx` object at which the transfer to complete can be found

  #### Returns Operation

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-ts-client/functions/crosschain.completeTransfer.html)Generated API reference, mirrored from the live docs