mutation requestPasswordReset($input: RequestPasswordResetInput!) {
  requestPasswordReset(input: $input) {
    requestPasswordReset {
      email
    }
    errors {
      ... on AuthenticationError {
        advice
        code
        message
      }
      ... on ForbiddenError {
        advice
        code
        message
      }
    }
  }
}

{
  "data": {
    "requestPasswordReset": {
      "requestPasswordReset": RequestPasswordReset,
      "errors": [
        AuthenticationError
      ]
    }
  }
}