Populate the data source from an Examine query.
First select the Examine index containing the values you need in your Data Source. Then you need to enter the raw Lucene expression to query Examine with. To make the query contextual using the content's page UDI, you can use C# standard string.Format syntax, e.g. +propertyAlias:"{0}"
Enter the field name to select the name, and the field name to select the value (key) from the Examine record.
Optionally, you can enter the field name to select the icon, and the field name to select the description from the Examine record.
The value returned from the List editor is an string containing the value of the field specified in the configuration.
Depending on the List editor used, this may be wrapped in a List<string>.