|AggregateColumn||(Required) The column (field name) that is being aggregated. For COUNT, you can specify any column name. Other aggregate functions require a numeric column.|
|Avg||(Required) Aggregate function sets the function for the aggregation.|
|ID||(Required) The ID attribute is a pervasive attribute that uniquely identifies an element within a definition file. The ID needs to be a unique value within the definition.|
|IncludeCondition||An expression that evaluates to a value of True or False. If the expression is blank, or evaluates to true the element is processed. If the expression evaluates to false, the element is skipped.
Typically, you would compare values using an operator, such as "@Session.value~ < 0".
Use quotes when working with strings:
"@Session.myValue~" == "SomeValue"