Hi, 
I want to use custom metadata to make the mapping dynamic in salesforce. Can somebody please help how should i do it?
code snippet for mapping:

for(Staging_Course__c  objB: [SELECT test_Field__c , test_field_1__c,name  FROM Staging_Course__c WHERE Unique_Id__c  IN: setUniqueId])
			{
              
				lstObjC.add(new Course__c( test_Field__c  = objB.test_Field__c, test_field_1__c  = objB.test_field_1__c , name = objB.name ));

I created a custom metadata record but i am not sure how to use to make the mapping dynamic in the above apex code.
 

Thanks