Since the chart of the script (indicator) changes on each update this Idea Is an Example on how the Major Mayer Multiple can be used with default values.
This indicator is obviously a lagging indicator and it shouldn't be used alone nevertheless we can clearly see how it can be used to somehow detect larger cycles but also minor ones if each setting is properly adjusted. More about this indicator: https://www.tradingview.com/script/ENrz1RYA-Major-Mayer-Multiple/
With some changes we can even achieve things like this...