Examples of container operations are: Add an element to the end of the container, insert an element at a given position in the container, remove an element frmo the container, remove elements from the container that have a subject matching a specified prefix.

There is a derived interface for each specific type of operations; for example, IContainerAddElementOperation, and IContainerRemoveElementOperation

You add operations to a container message by calling the appropriate methods of IContainerMessage, such as and .

You can obtain the operations defined in an IContainerMessage from its Operations property.