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Command Step Initiated Event

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Duncan Jones edited this page Aug 1, 2021 · 2 revisions

Command Step Initiated

This event is appended to the event stream backing the command instance when a new step has been initiated. The process (or processes) that perform this command step can be triggered by the notification of that event and should write back a command step completed event when the work is completed.

Properties

  • StepName - The name by which the command step to be performed is known. Ideally this should be expressed in the business domain language,
  • StepInstance - The identifier of the instance of the step to be run. This allows for commands that have to run the same step for multiple times or for multiple parameters
  • DomainName - The domain of the entity to which the command step is being applied
  • EntityTypeName - The entity type of the entity to which the command step is being applied
  • InstanceKey - The instance unique key of the entity to which the command step is being applied

Video introducing CQRS and Event Sourcing

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