Session Events Data Columns

The Session Events event category has the following event class:

Event ID Event Name Event Description
41 Existing Connection Existing user connection.
42 Existing Session Existing session.
43 Session Initialize Session Initialize.

The following table lists the data columns for this event class.

Existing Connection

Column Name Column Id Column Type Column Description
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
ConnectionID 25 1 Unique connection ID.
NTUserName 32 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) (username@domain.com)
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
- Power BI Service on behalf of a UPN or SPN (Power BI Service (UPN/SPN))
NTDomainName 33 8 Contains the domain name associated with the user account that triggered the command event.
- Windows domain name for Windows user accounts
- AzureAD for Microsoft Entra accounts
- NT AUTHORITY accounts without a Windows domain name, such as the Power BI service
ClientHostName 35 8 Name of the computer on which the client is running. This data column is populated if the host name is provided by the client.
ClientProcessID 36 1 The process ID of the client application.
ApplicationName 37 8 Name of the client application that created the connection to the server. This column is populated with the values passed by the application rather than the displayed name of the program.
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
ServerName 43 8 Name of the server producing the event.

Existing Session

Column Name Column Id Column Type Column Description
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTUserName 32 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) (username@domain.com)
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
- Power BI Service on behalf of a UPN or SPN (Power BI Service (UPN/SPN))
NTDomainName 33 8 Contains the domain name associated with the user account that triggered the command event.
- Windows domain name for Windows user accounts
- AzureAD for Microsoft Entra accounts
- NT AUTHORITY accounts without a Windows domain name, such as the Power BI service
ClientHostName 35 8 Name of the computer on which the client is running. This data column is populated if the host name is provided by the client.
ClientProcessID 36 1 The process ID of the client application.
ApplicationName 37 8 Name of the client application that created the connection to the server. This column is populated with the values passed by the application rather than the displayed name of the program.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) (username@domain.com)
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.
RequestProperties 45 9 XMLA request properties.

Session Initialize

Column Name Column Id Column Type Column Description
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTUserName 32 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) (username@domain.com)
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
- Power BI Service on behalf of a UPN or SPN (Power BI Service (UPN/SPN))
NTDomainName 33 8 Contains the domain name associated with the user account that triggered the command event.
- Windows domain name for Windows user accounts
- AzureAD for Microsoft Entra accounts
- NT AUTHORITY accounts without a Windows domain name, such as the Power BI service
ClientHostName 35 8 Name of the computer on which the client is running. This data column is populated if the host name is provided by the client.
ClientProcessID 36 1 The process ID of the client application.
ApplicationName 37 8 Name of the client application that created the connection to the server. This column is populated with the values passed by the application rather than the displayed name of the program.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) (username@domain.com)
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.
RequestProperties 45 9 XMLA request properties.