[AlphaCommerceHub] Where is the response parameters specification for the PayPal's `PaymentStatus` transaction?

Sample PaymentStatus is missing from PayPal guide in developer centre

SAMPLE PAYMENTSTATUS
REQUEST

<TransactionRequest>
    <Header>
        <UserID>USER123</UserID>
        <MerchantID>PayPalTest</MerchantID>
        <TransactionType>PaymentStatus</TransactionType>
        <Version>2</Version>
    </Header>
    <Transaction>
        <MerchantTxnID>20161024001</MerchantTxnID>
        <Currency>USD</Currency>
        <Amount>77000</Amount>
        <Method>PP</Method>        
    </Transaction>
</TransactionRequest>

RESPONSE

<TransactionResponse>
   <Result>
      <ResponseCode>1000</ResponseCode>
      <ResponseMessage>Request successful</ResponseMessage>
      <ResponseTimestamp>24072017165345</ResponseTimestamp>
      <MerchantID>PayPalTest</MerchantID>
      <MerchantTxnID>20161024001</MerchantTxnID>
      <Currency>USD</Currency>
      <Amount>77000</Amount>
   </Result>
   <ProviderResps>
      <ProviderResp>
         <ProviderName>Paypal</ProviderName>
         <ProviderOrder>1</ProviderOrder>
         <ProviderResponseMessage>Success</ProviderResponseMessage>
      </ProviderResp>
   </ProviderResps>
   <MethodResult>
      <AVSStreetResult>Confirmed</AVSStreetResult>
      <SecureToken>EC-74462602GV0358248</SecureToken>
      <WalletID>GEP4M2WY894NC</WalletID>
   </MethodResult>
   <ShippingAddress>
      <CustomerName>test buyer</CustomerName>
      <Street1>65 Ocean Avenue</Street1>
      <Street2/>
      <City>Brooklyn</City>
      <Zip>11211 </Zip>
      <State>NY</State>
      <Country>US</Country>
   </ShippingAddress>
   <PayerDetails>
      <CustomerFirstName>test</CustomerFirstName>
      <CustomerName>buyer</CustomerName>
      <Street1>65 Ocean Avenue</Street1>
      <Street2/>
      <City>Brooklyn</City>
      <Zip>11211 </Zip>
      <State>NY</State>
      <Custom1>Confirmed</Custom1>
      <Custom2>alpha.test.paypal-buyer@gmail.com</Custom2>
   </PayerDetails>
</TransactionResponse>

FIELDS

MethodResult .WalletID: Paypal Payer ID
PayerDetails.Custom1: Payer status
PayerDetails.Custom2: Payer email