how can i get the tx hash in erdjs v9.03?

erdjs 9.* await tx.send(provider); await tx.awaitExecuted(provider); const txHash = tx.getHash(); erdjs 10.* await provider.sendTransaction(tx); const watcher = new TransactionWatcher(provider); const transactionOnNetwork = await watcher.awaitCompleted(tx); const txHash = transactionOnNetwork.hash; where tx is your signed already transaction instance, and provider is you network provider