SBM Orchestration Guide → Orchestration Concepts → About Web Service Calls and Orchestrations
SBM automatically passes security tokens for automated processes such as SBM Web service calls and orchestration workflows. The credentials of the user that invokes the orchestration workflow are automatically supplied to all of the SBM Application Engine Web service calls that are made throughout the orchestration workflow at runtime. This means that the orchestration workflow is invoked under the control of the user's privileges, and the user's name appears in the change history for the affected item.
The dynamic relationship between the orchestration workflow and the user performing the change not only grants tighter privilege control, but also provides a more detailed audit trail in the affected item's change history. For example, when Bill executes a transition that invokes an orchestration workflow containing the TransitionItem Web service operation, the update is performed by Bill's user account under the control of his item privileges. His user credentials are automatically supplied by his security token to the auth element for this operation; therefore, the administrator does not need to hard code user credentials in the orchestration workflow ahead of time. If Bill does not have privileges to update the associated item, the TransitionItem operation will fail. If Bill does have these privileges, after the transition completes, Bill's user name appears in the change history of the updated item.
An asynchronous orchestration workflow is only executed after the transition that invoked it finishes. For example, suppose a user transitions an item from the New state to the Assigned state. The asynchronous orchestration workflow is executed after the item is in the Assigned state. If the user who initiated the transition no longer owns the item, or does not have the privilege to update items in the Assigned state, the orchestration workflow will fail.
There are two ways to handle or prevent these failures:
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