Configuration

This section explains each of the properties in the configuration blade.

General

Property	Description
Collection	This associates the Agent to a specific Collection (default to that of the current Data Stream).
Polling Interval (seconds)	A timespan to specify how often should the Agent check for new data/changes or update its cache.

Refer to Collections and Stream Hosts to understand more about Collections.

Authentication

Property	Description
Use Variables	Tick to select saved variables for the Client Id, Secret Key, Tenant Id, and Cluster URL properties; or enter the text manually.
Client Id	The Id of the Azure App Registration used to connect to the Azure Data Explorer instance.
Client Secret	The Secret of the Azure App Registration used to connect to the Azure Data Explorer instance.
Tenant Id	The Id of the tenant to which the Client belongs.

Cluster

Property	Description
Cluster Url	The Host Name used to create, start, edit, list, terminate, and delete clusters - in the format https://{clusterName}.{location}.kusto.windows.net You can find the URL on the Azure Portal blade for the Data Explorer Cluster under the "URI" property.

Database

Once the Authentication and Cluster properties are entered, the Agent attempts to open a connection with the database server. If successful, the Database dropdown is populated with a list of available databases.

Property	Description
Database	The name of the database to connect to. Once selected, the Table property is populated with the list of available tables and materialized views in the database.
Specify ADX Query?	Tick to query using a KQL statement, or select a table (default).
Table	The name of the table or materialized view to connect to (applies when Specify ADX Query is not ticked).
ADX Query	Query Azure Data Explorer (ADX) through a KQL statement (applies when Specify ADX Query is ticked). This is useful when querying data by joining multiple tables. Refer to Identifier Quoting when your query includes identifiers that are the same as keywords or contain special characters.
Columns To Return	The columns which the Agent should return. If no columns are specified, the Agent will return all the columns from the table or query.

Special Characters in Identifier Names

These special characters are supported: (_) Underscore, (-) Dash, (.) Period and ( ) Space. The following special characters in ADX Query are not supported and will result in errors:

• (*) Asterisk (Request is invalid and cannot be executed.)

• (\) Backslash and (\\) Double Backslash (Parse error. No Values will be displayed.)

• (.) Period (No Values will be displayed.)

Refer to Azure Data Explorer's Identifier Naming Rules for more information when creating your entity.

Filtering & Sorting

Property	Description
Limit Rows By	The limit options applied to the returned rows are: None (default, no limit) Number (e.g. first 100 rows) Duration (e.g. 7 days or 24 hours).
Number of Rows	The number of rows that should be returned (applies when Limit Rows By is Number).
Duration Type	The duration options are Day, Hour or Minute (applies when Limit Rows By is Duration).
Duration Value	The value of the duration (applies when Limit Rows By is Duration).
Timestamp Column	The column used to calculate the row's age (applies when Limit Rows By is Duration).
Filters	Rules for filtering the returned results.
Sort By	The column(s) and direction(s) by which the results should be sorted. The direction options are ascending and descending.

Endpoints

Name	Description
Output	The read events will be made available to this endpoint with attributes matching those specified in the Columns To Return property.
Error	Errors encountered during the execution of this Agent will be published on this endpoint.