# How do I create a new running hours machine?

1. Click on **Counters.**
2. Click on **New...**
3. Fill in the details for the sub-counter.
4. Under **Parent,** select the parent-counter for the sub-counter.  
    [![summarycountersnewcounter.png](https://docs.mxsuite.nl/uploads/images/gallery/2024-11/scaled-1680-/summarycountersnewcounter.png)](https://docs.mxsuite.nl/uploads/images/gallery/2024-11/summarycountersnewcounter.png)
5. Click on **Save & close.**

<p class="callout info">**Sub-counter behavior**: There are multiple options to change the behavior of the sub-counters of a parent-counter.  
- Add delta value to sub-counters: The sub-counters will be updated by the main counter.  
- Fill main counter with highest value: The main counter will be filled with the highest value from all of the sub-counters.  
- Fill main counter with lowest value: The main counter will be filled with the lowest value from all of the sub-counters.  
- Fill main counter with average value: The main counter will be filled with the average value from all of the sub-counters. </p>