4895bfc9_Using_the_Data_Control_Palette__Description
[Name] Operation [Used to Create...] UI actions such as buttons or links. [Description] 
Represents a built-in data control operation that performs actions on the parent object. Data control operations are located in an Operations folder under method returns or accessor returns and under the root data control node. The operations that are children of a particular method or accessor return operate on that return object only, while operations under the data control node operate on all the objects represented by the data control. If an operation requires one or more parameters, they are listed in a Parameters folder under the operation.
5.2 Using the Data Control Palette
Description