# Button class Null safety

메시지 하단에 추가되는 버튼 오브젝트

Annotations
  - @JsonSerializable(fieldRename: FieldRename.snake, explicitToJson: true, includeIfNull: false)

## Properties

hashCode → int
  The hash code for this object. [...]
  read-only, inherited
link → Link
  버튼 클릭 시 이동할 링크 정보
  final
runtimeType → Type
  A representation of the runtime type of the object.
  read-only, inherited
title → String
  버튼의 타이틀
  final

## Methods

noSuchMethod(Invocation invocation) → dynamic
  Invoked when a non-existent method or property is accessed. [...]
  inherited
toString() → String
  A string representation of this object. [...]
  inherited

## Operators

operator ==(Object other) → bool
  The equality operator. [...]
  inherited