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

> isTransferApplied(
    connection: Connection ,
    txRid: Buffer,
    opIndex: number,
): Promise<boolean> Checks if a specific transfer has been applied 

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

Function

# isTransferApplied

* ```signature
  isTransferApplied(
      connection: Connection,
      txRid: Buffer,
      opIndex: number,
  ): Promise<boolean>
  ```

  Checks if a specific transfer has been applied on the blockchain

  #### Parameters

  + connection: [Connection](https://docs.chromia.com/pages/ft4-ts-client/interfaces/ft-session.Connection/)

    connection to the blockchain to check if the transfer was applied on
  + txRid: Buffer

    the rid of the transaction that contains the transfer
  + opIndex: number

    the index of the transfer operation within that transaction

  #### Returns Promise<boolean>

  true or false depending on if the transfer was applied or not

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