# Class: MailAttachment
• MailAttachment()
邮件附件
# Properties
# Optional
Readonly
attachmentConf
• attachmentConf? : MailAttachmentConf
附件物品数目
Returns: MailAttachmentConf
# Readonly
attachmentId
• attachmentId: number
附件 ID
Returns: number
# Readonly
count
• count: Long
附件物品数目
Returns: Long
# Optional
Readonly
extraInfo
• extraInfo? : MailAttachmentExtraInfo
附加配置信息
Returns: MailAttachmentExtraInfo