Send a transaction

sendTransaction: (input: {
  transaction: SupportedSolanaTransaction;
  connection: Connection;
  uiOptions?: SendTransactionModalUIOptions;
  transactionOptions?: SendTransactionOptions;
  fundWalletConfig?: SolanaFundingConfig;
  address?: string;
}) => Promise<SolanaTransactionReceipt>

import {useSendTransaction, useSolanaWallets} from '@privy-io/react-auth/solana';
import {Connection, Transaction, VersionedTransaction, PublicKey, SystemProgram} from '@solana/web3.js';

// Inside your component
const { sendTransaction } = useSendTransaction();
const { wallets } = useSolanaWallets();

// Configure your connection to point to the correct Solana network
const connection = new Connection('https://api.mainnet-beta.solana.com'); // Replace with your Solana RPC endpoint

// Create your transaction (either legacy Transaction or VersionedTransaction)
const transaction = new Transaction(); // or new VersionedTransaction()

// Build and add your instructions to the transaction...
const transferInstruction = SystemProgram.transfer({
  fromPubkey: new PublicKey(wallets[0].address), // Replace with the sender's address
  toPubkey: new PublicKey('RecipientPublicKeyHere'), // Replace with the recipient's address
  lamports: 1000000 // Amount in lamports (1 SOL = 1,000,000,000 lamports)
});
transaction.add(transferInstruction);

// Fetch and set the latest blockhash
const latestBlockhash = await connection.getLatestBlockhash();
transaction.recentBlockhash = latestBlockhash.blockhash; // Replace with the latest blockhash

// Set your address as the fee payer
transaction.feePayer = new PublicKey(wallets[0].address); // Set fee payer

// Send the transaction
const receipt = await sendTransaction({
    transaction: transaction,
    connection: connection,
    address: wallets[0].address, // Optional: Specify the wallet to use for signing. If not provided, the first wallet will be used.
});

console.log("Transaction sent with signature:", receipt.signature);