Function updatePassword

updatePassword(input): Promise<void>
Updates user's password while authenticated.
Parameters
- input: AuthUpdatePasswordInput
  The UpdatePasswordInput object.
Returns Promise<void>
Throws
- ChangePasswordException - Cognito service errors thrown when updating a password.
Throws
- AuthValidationErrorCode - Validation errors thrown when oldPassword or newPassword are empty.
Throws
AuthTokenConfigException - Thrown when the token provider config is invalid.