If a particular data point or analytic is not available in the list of dataypes, you can select it from the list of Expressions or create a new Expression to pull the data point of interest. You can pull data using both Datatypes and Expressions in the same Time Series Request. To select or create an Expression, click the Expression Builder button in the Time Series Request window, or click Expression Builder in Excel.
Click the Expression Picker tab to select a an existing Expression. Click the Expression Builder tab to create a new Expression. Click the name of each Expression of interest to add it to your request.