Example: Fixed number of items from a PageIN Event In this example, you create a chart for three types of articles showing the name of the article (Label), and the number of articles sold (Value) during a month. Assigning variables in the Event This example uses a PageIN Event containing fields with article names, and fields with the number of articles sold. Assign a variable to each name field and each amount field. Adding variables to the Process In the Chart Properties dialog box, add a new item for each article, and enter the Value and Label variables.