A simple data class representing an attribute of a client, a room, or a user account. Attribute instances represent a changed or deleted attribute, and are passed to event listeners for the following events:
The attribute name.
The attribute's old value.
The attribute's qualifying room ID. Applies to client attributes only. Room attributes and global client attributes have the scope null.
A simple data class representing an attribute of a client, a room, or a user account. Attribute instances represent a changed or deleted attribute, and are passed to event listeners for the following events: