| IChatSupportServiceSupportPing Method  | 
            Checks for new rooms needing support.
            
            Keeps alive (sets LastChecking to now) user on support and classic chat.
            
 
Namespace: CMS.ChatAssembly: CMS.Chat (in CMS.Chat.dll) Version: 9.0.0
SyntaxChatGeneralResponse<SupportPingResponseData> SupportPing(
	Nullable<long> lastChange
)
Parameters
- lastChange
 - Type: SystemNullableInt64
Time of last change which has this client. Only new rooms will be send. If null, all support rooms with pending messages will be send. 
Return Value
Type: 
ChatGeneralResponseSupportPingResponseData
See Also