Under "Layout" you can choose to show a graph or chart. If you want to use this option what is set to "Sort by" defines what is shown horizontally.
*Each colum which column that can have a "Total" can show as a graph.*The monthly bar graph requires dated a date to be selected in "Sort by". This will be used to assign the bookings to the bars. *For a pie chart you only need the colunm column "Quantity" or a charges/payments/price column. A pie chart will be dawn drawn by what is set to "Sort by" by a number of bookings or value.
== Template variables in Custom Reports ==