====== Start event name should answer the question "what happened?" ======

{{tag>naming start_event}}

Event must be named as event, not as activity or condition.

===== ✔ How to =====

<bpmnio type="bpmn">
<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" id="sid-38422fae-e03e-43a3-bef4-bd33b32041b2" targetNamespace="http://bpmn.io/bpmn" exporter="http://bpmn.io" exporterVersion="0.10.1">
  <process id="Process_1pkubye">
    <startEvent id="Event_049uwl6" name="Service request received">
      <messageEventDefinition id="MessageEventDefinition_0j5ke6j" />
    </startEvent>
    <startEvent id="Event_0eci8d0" name="Outside temperature dropped below zero">
      <conditionalEventDefinition id="ConditionalEventDefinition_0c60u07">
        <condition xsi:type="tFormalExpression" />
      </conditionalEventDefinition>
    </startEvent>
    <startEvent id="Event_0lfs7an" name="&#34;Mayday&#34; received">
      <signalEventDefinition id="SignalEventDefinition_13ytxy3" />
    </startEvent>
    <startEvent id="Event_03rulli" name="Got a product idea" />
  </process>
  <bpmndi:BPMNDiagram id="BpmnDiagram_1">
    <bpmndi:BPMNPlane id="BpmnPlane_1" bpmnElement="Process_1pkubye">
      <bpmndi:BPMNShape id="Event_1levnwe_di" bpmnElement="Event_0eci8d0">
        <omgdc:Bounds x="452" y="82" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="433" y="125" width="74" height="53" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Event_04wlg65_di" bpmnElement="Event_0lfs7an">
        <omgdc:Bounds x="592" y="82" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="587" y="125" width="47" height="27" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Event_1ce02mi_di" bpmnElement="Event_049uwl6">
        <omgdc:Bounds x="312" y="82" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="291" y="125" width="78" height="27" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Event_03rulli_di" bpmnElement="Event_03rulli">
        <omgdc:Bounds x="162" y="82" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="147" y="125" width="68" height="27" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>
</bpmnio>

===== ✘ How NOT to =====

<bpmnio type="bpmn">
<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" id="sid-38422fae-e03e-43a3-bef4-bd33b32041b2" targetNamespace="http://bpmn.io/bpmn" exporter="http://bpmn.io" exporterVersion="0.10.1">
  <process id="Process_1pkubye">
    <startEvent id="Event_049uwl6" name="Obtain service requests">
      <messageEventDefinition id="MessageEventDefinition_0j5ke6j" />
    </startEvent>
    <startEvent id="Event_0eci8d0" name="Outside temperature is below zero">
      <conditionalEventDefinition id="ConditionalEventDefinition_0c60u07">
        <condition xsi:type="tFormalExpression" />
      </conditionalEventDefinition>
    </startEvent>
    <startEvent id="Event_0lfs7an" name="Receive &#34;mayday&#34;">
      <signalEventDefinition id="SignalEventDefinition_13ytxy3" />
    </startEvent>
    <startEvent id="Event_03rulli" name="Get a product idea" />
  </process>
  <bpmndi:BPMNDiagram id="BpmnDiagram_1">
    <bpmndi:BPMNPlane id="BpmnPlane_1" bpmnElement="Process_1pkubye">
      <bpmndi:BPMNShape id="Event_1ce02mi_di" bpmnElement="Event_049uwl6">
        <omgdc:Bounds x="312" y="82" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="291" y="125" width="78" height="27" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Event_1levnwe_di" bpmnElement="Event_0eci8d0">
        <omgdc:Bounds x="452" y="82" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="435" y="125" width="70" height="40" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Event_04wlg65_di" bpmnElement="Event_0lfs7an">
        <omgdc:Bounds x="592" y="82" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="587" y="125" width="47" height="27" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape id="Event_03rulli_di" bpmnElement="Event_03rulli">
        <omgdc:Bounds x="162" y="82" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="147" y="125" width="68" height="27" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>
</bpmnio>

===== Exceptions =====

<bpmnio type="bpmn">
<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" id="sid-38422fae-e03e-43a3-bef4-bd33b32041b2" targetNamespace="http://bpmn.io/bpmn" exporter="http://bpmn.io" exporterVersion="0.10.1">
  <process id="Process_1igllqk">
    <startEvent id="Event_0bxzk8l" name="Annually on Dec 1">
      <timerEventDefinition id="TimerEventDefinition_1wr6afo" />
    </startEvent>
  </process>
  <bpmndi:BPMNDiagram id="BpmnDiagram_1">
    <bpmndi:BPMNPlane id="BpmnPlane_1" bpmnElement="Process_1igllqk">
      <bpmndi:BPMNShape id="Event_10o2tod_di" bpmnElement="Event_0bxzk8l">
        <omgdc:Bounds x="382" y="102" width="36" height="36" />
        <bpmndi:BPMNLabel>
          <omgdc:Bounds x="356" y="145" width="89" height="14" />
        </bpmndi:BPMNLabel>
      </bpmndi:BPMNShape>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>
</bpmnio>

===== See also =====

  * [[end_event_naming]]
  * [[intermediate_event_naming]]
===== Author(s) =====

 --- //[[user:bell|Anatoly Belaychuk]] 2024-08-22 21:03//