# Video Review: Object Properties [Permalink](https://github.com/learn-co-curriculum/oo-ruby-video-review-object-properties/blob/6230c5de7f69caa101c633767f3c05e874504f3b/README.md) ### Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. [Sign up](https://github.com/join?source=prompt-blob-show\&source_repo=learn-co-curriculum%2Foo-ruby-video-review-object-properties) 18 lines (12 sloc) 958 Bytes ## Overview This Q\&A led by Avi Flombaum gives a comprehensive review of object properties. ## Objectives * Define local methods specific to an instance * Define instance methods for all instances of a class * Use attr\_accessor macro to dynamically add setter and getter methods for our class instances * Define a class method that will create instance methods for the class from a list of arguments * Write the code behind the attr\_accessor class method * Set an instance attribute to a primitive object and a mature object * Configure two classes to collaborate with each other and develop relationships \ View [OO Ruby Video Review: Object Properties](https://learn.co/lessons/oo-ruby-video-review-object-properties) on Learn.co and start learning to code for free.