# Uses of Interface
org.kie.api.event.process.ProcessVariableChangedEvent

Packages that use ProcessVariableChangedEvent
Package
Description
org.kie.api.event.process
Events emitted while process instances are executing.

- ## Uses of ProcessVariableChangedEvent in org.kie.api.event.process

  Methods in org.kie.api.event.process with parameters of type ProcessVariableChangedEvent
  Modifier and Type
  Method
  Description
  `void`
  DefaultProcessEventListener.`afterVariableChanged(ProcessVariableChangedEvent event)`
  `void`
  ProcessEventListener.`afterVariableChanged(ProcessVariableChangedEvent event)`
  This listener method is invoked right after the value of a process variable has been changed.
  `void`
  DefaultProcessEventListener.`beforeVariableChanged(ProcessVariableChangedEvent event)`
  `void`
  ProcessEventListener.`beforeVariableChanged(ProcessVariableChangedEvent event)`
  This listener method is invoked right before the value of a process variable is being changed.