Display Property Timelines

To display property timelines:

To display an individual object's property timelines, click the name of the object whose properties you want to display.
To display all the property timelines of an object and its children, hold down Opt/Alt while you click on the name of the parent object.
To display all property timelines in the Hierarchy List Area, select Expand All Timelines from the menu to the right of the Preview Area.