We also use this start event when the trigger for the process is irrelevant. When we aren’t certain of, or do not want to specify the start of a process, we can use the empty circle, or none start event. Multiple – more than one form of trigger can initiate the process.Link – this represents the start of a sub-process that is part of a larger process.Rule – evaluation of a rule initiates the process.Timer – a time, a date, or a recurring time or date triggers the start of the process.Message – a message triggers the start of the process.None – the modeler does not specify the start event.There are six different types of start events that we can include in a BPMN model. In BPMN terminology, it is called a start event. We have a link to the official version of the spec in our introductory post (we will update that link if and when the spec changes).Įach business process has some form of initiating event. This common convention allows people who are familiar with modeling, but new to a project to avoid learning a new diagramming language on each project or for each client. The BPMN specification is designed to establish a common language and convention for creating process diagrams. The diagrams can also help uncover requirements that might be overlooked without diagramming the processes. These diagrams help identify the scope of a software project. Business analysts are often required to document as-is processes and to-be processes. We presented an introduction to BPMN diagrams last week. Examples showing how and when to use the 6 different types of start events in business process modeling notation (BPMN) diagrams.
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