GetVehicle.apxc

global with sharing class GetVehicle {

    @InvocableMethod
    public static List<Results> getVehicle(List<Requests> requests)
       {
            
           Vehicle curVehicle = new Vehicle();
           curVehicle.model = 'Tesla';
           
           Vehicle.Wheel curWheel = new Vehicle.Wheel();
           curWheel.tireSize = '240/R15';
           curWheel.tireBrand = 'Goodyear';
           curVehicle.Wheels.add(curWheel);
           
           Results curResult = new Results();
           curResult.vehicle = curVehicle;
           
           List<Results> resultsList = new List<results>();
           resultsList.add(curResult);
           return resultsList;
       }
    
    global class Requests {
        @InvocableVariable
    	global String price;
        
        @InvocableVariable
    	global String modelName;
        
        @InvocableVariable
    	global String transactionDate;
        
        @InvocableVariable
    	global String orderTaker;
        
    }
    
    global class Results {
        @InvocableVariable
    	global Vehicle vehicle;
    }
}