The expression(s) to be used for analysis.
Example: Count(Title)
Example:
<ExpressionSetup>
<Expressions>
<Expression>Sum(Amount)</Expression>
<ExpressionType>System.Int32</ExpressionType>
</Expressions>
<Expressions>…</Expressions>
</ExpressionSetup>
The column type that will be used when storing data analysis.
The expression used for analysis.