Start Events
Start Events define where a Process begins.
When you add a Start Event to a diagram, make sure:
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It has no incoming Sequence Flows.
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It has at least one outgoing Sequence Flow.
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It has no outgoing Message Flows.
Start Events appear as circles with a thin edge. The marker changes according to the type of Start Event.
Start Event
A Start Event marks the beginning of a Process.
Start Event Attributes
You’ll find Start Event attributes and other settings within the Attributes panel.
Attributes
Message Start Event
A Message Start Event starts a Process when a message is received from another participant.
Message Start Event attributes
You’ll find Message Start Event attributes and other settings within the Attributes panel.
Attributes
Signal Start Event
A Signal Start Event starts a Process when a signal is broadcast by another process. A signal is an event that is broadcast to everyone involved in a process.
Signal Start Event attributes
You’ll find Signal Start Event attributes and other settings within the Attributes panel.
Attributes
Timer Start Event
A Timer Start Event enables you to control the start of a Process using a time condition. Use it to trigger a process at a specific date and time or at defined intervals.
Timer Start Event attributes
You’ll find Timer Start Event attributes and other settings within the Attributes panel.