You can use the controls on the left side of the window to apply and modify various filters and transitions. First, select the type of effect: Filters or Transitions. Next, select a filter or transition from the drop-down list. If the selected effect supports specific features, you can use controls on the lower left side of the window to further modify the effect. The code used to generate the effect is shown below the controls section.

Effect Type:  Filters   Transitions