Sign Message from Wallet App

Signs a message using a wallet app (like Phantom, Solflare, etc.) instead of a local keypair.

Returns: Promise<string> (base58 encoded signature)


const signature = await connection.signMessageFromWalletApp({
  message: "Hello, Solana!",
  walletApp: walletApp, // TransactionSendingSigner from your wallet app
});

Options

message: string - The message to sign
walletApp: TransactionSendingSigner - The wallet app signer to use for signing

Examples

Sign a message using a wallet app:


const signature = await connection.signMessageFromWalletApp({
  message: "Hello, Solana!",
  walletApp: walletApp,
});