Append to a file

//Create the transaction
FileAppendTransaction transaction = new FileAppendTransaction()
    .setFileId(newFileId)
    .setContents("The appended contents");

//Change the default max transaction fee to 2 hbars
FileCreateTransaction modifyMaxTransactionFee = transaction.setMaxTransactionFee(new Hbar(2)); 

//Prepare transaction for signing, sign with the key on the file, sign with the client operator key and submit to a Hedera network
TransactionResponse txResponse = modifyMaxTransactionFee.freezeWith(client).sign(key).execute(client);

//Request the receipt
TransactionReceipt receipt = txResponse.getReceipt(client);

//Get the transaction consensus status
Status transactionStatus = receipt.status;

System.out.println("The transaction consensus status is " +transactionStatus);

//v2.0.0

//Create the transaction
const transaction = await new FileAppendTransaction()
    .setFileId(newFileId)
    .setContents("The appended contents")
    .setMaxTransactionFee(new Hbar(2))
    .freezeWith(client);

//Sign with the file private key
const signTx = await transaction.sign(fileKey);

//Sign with the client operator key and submit to a Hedera network
const txResponse = await signTx.execute(client);

//Request the receipt
const receipt = await txResponse.getReceipt(client);

//Get the transaction consensus status
const transactionStatus = receipt.status;

console.log("The transaction consensus status is " +transactionStatus);

//v2.0.5

//Create the transaction
transaction2 := hedera.NewFileAppendTransaction().
        SetFileID(newFileId).
        SetContents([]byte("The appended contents"))

//Change the default max transaction fee to 2 hbars
modifyMaxTransactionFee := transaction.SetMaxTransactionFee(hedera.HbarFrom(2, hedera.HbarUnits.Hbar))

//Prepare transaction for signing, 
freezeTransaction, err := modifyMaxTransactionFee.FreezeWith(client)
if err != nil {
        panic(err)
}

//Sign with the key on the file, sign with the client operator key and submit to a Hedera network
txResponse2 err := freezeTransaction.Sign(fileKey).Execute(client)
if err != nil {
        panic(err)
}

//Request the receipt
receipt, err := txResponse.GetReceipt(client)
if err != nil {
        panic(err)
}

//Get the transaction consensus status
transactionStatus := receipt.Status

fmt.Println("The transaction consensus status is ", transactionStatus)

//v2.0.0

// Create the transaction
let transaction = FileAppendTransaction::new()
    .file_id(file_id)
    .contents("The appended contents")
    .max_transaction_fee(Hbar::new(2));

// Sign with the file key and submit to a Hedera network
let tx_response = transaction
    .freeze_with(&client)?
    .sign(file_key)
    .execute(&client).await?;

// Request the receipt of the transaction
let receipt = tx_response.get_receipt(&client).await?;

// Get the transaction consensus status
let status = receipt.status;

println!("The transaction consensus status is {:?}", status);

// v0.34.0

//Create the transaction
FileAppendTransaction transaction = new FileAppendTransaction()
    .setFileId(newFileId)
    .setContents("The appended contents");

//Get the contents
ByteString getContents = transaction.getContents();

//v2.0.0

//Create the transaction
const transaction = new FileAppendTransaction()
    .setFileId(newFileId)
    .setContents("The appended contents");

//Get the contents
const getContents = transaction.getContents();

//Create the transaction
transaction2 := hedera.NewFileAppendTransaction().
    SetFileID(newFileId).
        SetContents([]byte("The appended contents"))

//Get the contents
getContents2 := transaction2.GetContents()

//v2.0.0