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generic_trigger

Rule languages supports generic trigger features

- Given Clean OpenHAB with latest Ruby Libraries
An update using the generic trigger feature
- Given items:
  type name
  Switch Switch1
- And a deployed rule:
```
rule 'Execute rule when item is updated to any value' do
  trigger 'core.ItemStateUpdateTrigger', itemName: 'Switch1'
  run { logger.info("Switch1 Updated") }
end
```
- When item "Switch1" state is changed to "ON"
- Then It should log 'Switch1 Updated' within 5 seconds
Use pidcontroller trigger
- Given items:
  type name
  Number InputItem
  Number SetPointItem
- And feature 'openhab-automation-pidcontroller' installed
- And a deployed rule:
```
rule 'Execute rule when item is updated to any value' do
  trigger 'pidcontroller.trigger',
    input: InputItem.name,
    setpoint: SetPointItem.name,
    kp: 10,
    ki: 10,
    kd: 10,
    kdTimeConstant: 1,
    loopTime: 1000

  run do |event|
    logger.info("PID Command: #{event.command}")
  end
end
```
- When item "InputItem" state is changed to "5"
- And item "SetPointItem" state is changed to "10"
- Then It should log 'PID Command: ' within 5 seconds
- And I remove the rules file# Remove the rules file to stop the rule from continuing to run