Empty Template..

simple math. sum only.

Apex Class ( Invocable Method and Variable )

public class mathinvocable {
    
    
    @invocablemethod
    public static List<Results> execute(List<Requests> requestlist){
        
        List<Results> resultList=New List<Results>();
        
        Integer numberX= requestlist.get(0).x;
        Integer numberY= requestlist.get(0).y;
        
        
        Results result= new Results();
        Integer sum = numberX+numberY;
        result.r=(sum);
        system.debug('Result : ' + result);
        
        
        resultList.add(result);
        
        return resultList;
    }
    
    
    
    public class Requests{
        @invocableVariable(label='x Data' description='Your x' )
        public Integer x;
        @invocableVariable(label='y Data' description='Your y' )
        public Integer y;
        
    }
    
    public class Results{
        @invocableVariable(label='Converted Data' description='Your lead')
        public Integer r;
    }
}