# Class: AttachedAttribute
• AttachedAttribute()
附加属性
# Properties
# initValue
• initValue: Long
初始值
Returns: Long
# upgradePreview
• upgradePreview: UpgradePreview
升级相关信息
Returns: UpgradePreview
# value
• value: Long
属性值
Returns: Long
# 操作触发
# upgrade
▸ upgrade(): Promise‹UpgradeAttributeRes›
属性升级
# 返回值:
Promise‹UpgradeAttributeRes›