trezor-suite/docs/packages/connect/methods/signMessage.md

Sign message

Asks device to sign a message using the private key derived by given BIP32 path.

const result = await TrezorConnect.signMessage(params);

Params

**Optional common params**

flowtype

• path — required string | Array<number> minimum length is 3. read more
• message - required string
• coin - optional string Determines network definition specified in coins.json file. Coin shortcut, name or label can be used. If coin is not set API will try to get network definition from path.
• hex - optional boolean convert message from hex

Example

TrezorConnect.signMessage({
    path: "m/44'/0'/0'",
    message: 'example message',
});

Result

flowtype

{
    success: true,
    payload: {
        address: string,   // signer address
        signature: string, // signature in base64 format
    }
}

Error

{
    success: false,
    payload: {
        error: string // error message
    }
}