How to check validation API service respone in XML in API

[askGp]

An API is using for login purpose 

Next thing is to validate if api is valid credendtials 

API is generating response 

How to parse the response of specific item and print in logs

<?xml version="1.0" encoding="UTF-8" ?>
 <root>
     <Authuser>string</Authuser>
     <title>string</title>
     <status>0</status>
     <detail>string</detail>
     <instance>string</instance>
     <Token>string</Token>
 </root>