<Add the Instance of the class to constructor para...

# stackoverflow

[user]

Add the Instance of the class to constructor parameter property
I have the following class structure. The CarModel Class has a defects List which is of Type CarDefects. And I wanted to add the instance of the CarDefects class into this list of defects of carModel which is passed as a parameter for the CarDefects constructor.
However i cannot the use the add method and the error message says the following:
Unresolved reference: add
class CarModel(val brand: Brand, val modelName: String, val version: Int){
var defects: List? = null

inner class...