ChatCacheBeacon Invalidate Method Kentico 8.1 API Reference
Invalidates beacon - next call of IsValid will return false. This invalidation works across web farms.

Namespace: CMS.Chat
Assembly: CMS.Chat (in CMS.Chat.dll) Version: 8.0.0.0 (8.1.5347.20411)
See Also
ChatCacheBeacon Class
ChatCacheBeacon Members
CMS.Chat Namespace