{{tag>Programmers_Reference IExecutionEngine_Interface}}
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===== IExecutionEngine interface =====

The reference to this interface is passed to the [[pr_methods:execute|execute]] and [[pr_methods:resume|resume]] methods. A process can use the methods of this interface to communicate with the //**Aware IM**// system. The interface has the methods listed below. Note that most methods throw the following exceptions:

|''ServerTimeOutException''|Thrown if there was a call of the service exposed by a remote service provider, which timed out.|
|''ExecutionException''|Thrown if there was a run-time error. All changes are discarded.|
|''AccessDeniedException''|Thrown if there was violation of the access level. All changes are discarded.|

The first parameter of each method is the process that called the method. When calling methods of IExecutionEngine interface the process component should always pass a reference to “this” as the first parameter to the method call. This parameter is omitted from the description below.

{{topic>methods +IExecutionEngine_Interface&notags}} 

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