Try using helper stubs for example code

docs/ml_get_event_certainty.md

@@ -22,10 +22,11 @@ This example displays the ML model's certainty that the current action is `unkno
 
 ```blocks
 loops.everyInterval(1000, function () {
-    basic.showNumber(ml.getCertainty(ml.event.Unknown))
+    basic.showNumber(ml.getCertainty(ml.event.Clapping))
 })
 ```
 
 ```package
+machine-learning-help-stubs=github:microbit-foundation/pxt-microbit-ml-help-stubs#v0.0.1
 machine-learning=github:microbit-foundation/pxt-microbit-ml#v1.0.2
 ```

docs/ml_is_event_detected.md

@@ -24,12 +24,13 @@ This example will show a tick icon on the LED display if the estimated action is
 
 ```blocks
 basic.forever(function () {
-    if (ml.isDetected(ml.event.Unknown)) {
+    if (ml.isDetected(ml.event.Clapping)) {
         basic.showIcon(IconNames.Yes)
     }
 })
 ```
 
 ```package
+machine-learning-help-stubs=github:microbit-foundation/pxt-microbit-ml-help-stubs#v0.0.1
 machine-learning=github:microbit-foundation/pxt-microbit-ml#v1.0.2
 ```

docs/ml_on_event_start.md

@@ -18,11 +18,12 @@ The ML model updates its estimated action several times a second, but this event
 This example uses the special `unknown` value and plays a musical melody in the background when no action has a certainty above the recognition point.
 
 ```blocks
-ml.onStart(ml.event.Unknown, function () {
+ml.onStart(ml.event.Clapping, function () {
     music._playDefaultBackground(music.builtInPlayableMelody(Melodies.Dadadadum), music.PlaybackMode.InBackground)
 })
 ```
 
 ```package
+machine-learning-help-stubs=github:microbit-foundation/pxt-microbit-ml-help-stubs#v0.0.1
 machine-learning=github:microbit-foundation/pxt-microbit-ml#v1.0.2
 ```

docs/ml_on_event_stop.md

@@ -20,11 +20,12 @@ For example, if your start event handler for an action starts music playing in t
 This example uses the special `unknown` option and stops playing a musical melody when the estimated action changes to any other action.
 
 ```blocks
-ml.onStop(ml.event.Unknown, function () {
+ml.onStop(ml.event.Clapping, function () {
     music.stopMelody(MelodyStopOptions.All)
 })
 ```
 
 ```package
+machine-learning-help-stubs=github:microbit-foundation/pxt-microbit-ml-help-stubs#v0.0.1
 machine-learning=github:microbit-foundation/pxt-microbit-ml#v1.0.2
 ```

docs/ml_on_event_stop_detailed.md

@@ -22,11 +22,12 @@ The event handler is passed a `duration` parameter. The duration is the [number]
 This example uses the special `unknown` option and shows the duration that `unknown` was the estimated action for in seconds when the estimated action changes to any other action.
 
 ```blocks
-ml.onStopDetailed(ml.event.Unknown, function (duration) {
+ml.onStopDetailed(ml.event.Clapping, function (duration) {
     basic.showNumber(duration / 1000)
 })
 ```
 
 ```package
+machine-learning-help-stubs=github:microbit-foundation/pxt-microbit-ml-help-stubs#v0.0.1
 machine-learning=github:microbit-foundation/pxt-microbit-ml#v1.0.2
 ```