The image shows a block diagram of the simple workflow implementation in ascending order as follows. Each block is connected with an arrow to the next block, from top to bottom.

setUserDefinedAttributes (assign)—Assign that captures the user defined attributes of the task such as assignees, payload, expiration date

setSystemDefinedAttributes (assign)—Assign that captures the system attributes of the task such as process id, process version

initiateTask (invoke)—Initiates the task by invoking the TaskManagerService

initiateTaskActionHandler (invoke)—Initiates the TaskActionHandler business process. This process receives the actions from the Worklist application via the TaskManagerService

receiveUpdatedTask (receive)—Receives the updated task from the TaskActionHandler business process