module address {
  yang-version 1;
  namespace
    "http://www.yumaworks.com/ns/address";

  prefix addr;
  revision "2013-07-23";

  list address {
    key "last-name first-name";
    leaf last-name {
      type string;
      description
        "Last name of the person who is associated with this address";
    }
    leaf first-name {
      type string;
      description
        "First name of the person who is associated with this address";
    }
    leaf street {
      type string;
      description
        "street address";
    }
    leaf city {
      type string;
      description
        "City address";
    }
    leaf zipcode {
      type string {
           length "5 | 10";
      }
      description
        "zipcode";
    }
  } // list address
} // Module address