![]() ![]() The problem with modelling a process as a state machine is that it requires long stage jumps. Important: The key rule to keep in mind when modelling successful business processes is that the business process flow functionality in Dynamics 365 is not a representation of a state machine, but rather of a linear flow whose natural progression is always forward towards the end. A similar operation is performed to transition from Book Hotel to Prepare & Send Invoice When this transition occurs, the StageId (active stage) and TraversedPath attributes are updated along with the internal entities and fields that participate of the process, which maintains data consistency. Changing the value of the stage to one ahead in the active path, or one or more behind in the traversed path, is considered a valid transition. Next, the external booking system has to make an UPDATE request to business process entity and change the value of the Active Stage from Issue Boarding Pass to Book Hotel.The on-demand workflow is configured to trigger either on exit of the Capture Trip Information stage or on entry of the Issue Boarding Pass stage-in this case, they’re equivalent First, a Dynamics 365 on-demand workflow on the Opportunity entity calls a custom plugin written in C# that, in turn, issues a web service request to start the booking process on the external booking system.Using Dynamics 365 workflows and web services, these manual steps can be automated: In the travel agency scenario, employees had to manually kickstart the booking process and then manually synchronize the business process in Dynamics 365 depending on what happened on the external booking system. Erratic business process with lots of exception conditionsįor example, flows that force the jump of the process to a future or past stageįor example, organizations that had business processes modelled on a third-party system and now would like to migrate them in bulk to Dynamics 365.Parts of the business process run on Dynamics 365 while others run on another system, in parallel, and the organization would like to keep them in syncįor example, a travel agency collects customer information on Dynamics 365, issues reservations on a proprietary system, and submits the invoice back on Dynamics 365.When talking to customers about the different scenarios in which they wanted to programmatically manipulate business process flows, we identified a few clusters. This post explores some scenarios and how they should be handled in a safe and supported way. Since business processes are now represented as Dynamics 365 entities (with lookups to the participating data entities), they can be manipulated through Dynamics 365 workflows or programmatically through either the JavaScript Client API or the OData (REST) Web API. The good news is that one of the important changes introduced to business processes is support for automation and programmability scenarios. Transition to stage is not in the process active path.” when they fail. With the introduction of the Fall 2016 release and all the new functionality for business processes, some of the work-around technique cases that appeared to work might now present visual glitches or error message “Invalid stage transition. In all of these cases, Microsoft has maintained that programmatically manipulating the business process state is not a supported scenario: neither the front-end web control or the underlying infrastructure have the necessary logic to handle stage skipping, which was not part of the original design. These techniques would not present obvious visual glitches or error messages, but would typically result in corrupt data in the database. However, there was a small but not fully determined subset of cases where these techniques would appear to work. Frequently, these techniques would fail with either an error message or a displaying a broken process control. In versions of Dynamics 365 prior to the Fall 2016 release (8.1 and prior), organizations that wanted to automate their business processes relied on a few work-arounds, most notably the need to force values on the ProcessID, StageId (active stage) or TraversedPath attributes. ![]()
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