NSMutableArray check if object already exists

Question

I am not sure how to go about this. I have an NSMutableArray (addList) which holds all the items to be added to my datasource NSMutableArray.

I now

Answer 1

NR4TR said correctly but i think one break statement is sufficient

if([existingItem.iName isEqualToString:item.iName]){
                // Do not add
break;
            }