# UserInfoButton.onTap(function callback)
Listens on the user information button tapping event.
# Parameters
# function callback
The callback function for the user information button tapping event.
# Parameters
# Object res
| Property | Type | Description |
|---|---|---|
| userInfo | UserInfo | User information object, excluding openid and other sensitive information. |
| rawData | string | Raw data string that excludes sensitive information and is used to calculate signatures. |
| signature | string | String obtained through sha1 (rawData + sessionkey) and used to verify user information. For details, refer to signature. |
| encryptedData | string | The complete encrypted user data, including sensitive data. For details, see Decryption Algorithm for Encrypted Data. |
| iv | string | The initial vector of the encryption algorithm. For details, see Decryption Algorithm for Encrypted Data |