Welcome to the Treehouse Community
Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community!
Looking to learn something new?
Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.
Start your free trial
Richard Wentford
19,730 PointsAppend the contact variable to the contacts array inside of the address_book variable.
NameError: undefined local variable or method `contacts' for main:Object Did you mean? contact
contact = Contact.new
contact.first_name = "My"
contact.last_name = "Name"
address_book = AddressBook.new
address_book = contacts.push(contact)
1 Answer

Clayton Perszyk
Treehouse Moderator 48,602 Pointscontacts is a property on address_book. In your code, you are pushing the contact onto an array that doesn't exist and trying to assign that to the address_book variable.
your answer should look similar to this:
object.property.push(other_object)