# MessageSendResult class Null safety

메시지 전송 API 호출 결과

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

## Properties

failureInfos → List<MessageFailureInfo>?
  (복수의 전송 대상을 지정한 경우) 전송 실패한 일부 대상의 오류 정보
  @JsonKey(name: "failure_info"), final
hashCode → int
  The hash code for this object. [...]
  read-only, inherited
runtimeType → Type
  A representation of the runtime type of the object.
  read-only, inherited
successfulReceiverUuids → List<String>?
  메시지 전송에 성공한 대상의 uuid
  final

## Methods

noSuchMethod(Invocation invocation) → dynamic
  Invoked when a non-existent method or property is accessed. [...]
  inherited

## Operators

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