How to test whether a tag is listed in the response?

Product Forums Katalon Studio
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Hi,
Depending on whether the user is taking the course or not, response may or may not have the tag called “Course”.
How do I test to make sure for User GAB34, Course tag is there and for user GAB35 tag “Course” is not listed in the response?
Course names can be different so I can’t search by course names, I want to verify the tag.
Thanks in advance!

	<Return>
                <UserId>**GAB34**</UserId>
                <UserTitle>TEST TEST</UserTitle>
                <UserCode>AAB</UserCode>
                <UserCreateDate>2022-03-22</UserCreateDate>                   
                <DepDate>2012-11-05</DepDate>
                <Description1>GET User 1</Description1>                    
                <Course>
                     <String>APITesting</String>                        
                </Course>
	   <Age>23</Age>  
           </Return>


	<Return>
                <UserId>**GAB345**</UserId>
                <UserTitle>TEST TEST</UserTitle>
                <UserCode>AAB</UserCode>
                <UserCreateDate>2022-03-22</UserCreateDate>                   
                <DepDate>2012-11-05</DepDate>
                <Description1>GET User 1</Description1>                                        
	   <Age>23</Age>  
           </Return>