code: func Contact(dsl func()) {
  	contact := new(design.ContactDefinition)
  	if !dslengine.Execute(dsl, contact) {
  		return
  	}
  	if a, ok := apiDefinition(); ok {
  		a.Contact = contact
  	}
  }
docs: // Contact can be used in: API
  //
  // Contact sets the API contact information.