Capture Logon Trigger Event Data

 

To capture XML data about LOGON events for use inside logon triggers, use the EVENTDATA function. The LOGON event returns the following event data schema:

<EVENT_INSTANCE>

<EventType>event_type</EventType>

<PostTime>post_time</PostTime>

<SPID>spid</SPID>

<ServerName>server_name</ServerName>

<LoginName>login_name</LoginName>

<LoginType>login_type</LoginType>

<SID>sid</SID>

<ClientHost>client_host</ClientHost>

<IsPooled>is_pooled</IsPooled>

</EVENT_INSTANCE>

<EventType>
Contains LOGON.

<PostTime>
Contains the time when a session is requested to be established.

<SID>
Contains the base 64-encoded binary stream of the security identification number (SID) for the specified login name.

<ClientHost>
Contains the host name of the client from where the connection is made. The value is '<local_machine>' if the client and server name are the same. Otherwise, the value is the IP address of the client.

<IsPooled>
Is 1 if the connection is reused by using connection pooling. Otherwise, the value is 0.

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