# Function: getETHSignatureChallengeMessage()

> **getETHSignatureChallengeMessage**(`context`): `string`

Defined in: [packages/bitbadgesjs-sdk/src/core/eth-signature-message.ts:13](https://github.com/BitBadges/bitbadgesjs/blob/master/packages/bitbadgesjs-sdk/src/core/eth-signature-message.ts#L13)

v35+ voucher message to pass to an Ethereum wallet's signMessage method.

## Parameters

### context

[`ETHSignatureChallengeMessageContext`](https://docs.bitbadges.io/sdk/reference/type-aliases/eth-signature-challenge-message-context)

## Returns

`string`