How to choose custom beat for metronome

I would like to choos a custom beat for metronome (for example 72).
Is this possible? How?

Right click on the tempo marker at the start of the session, in the tempo ruler. Choose “Edit”.

Alternatively, make sure that one of the two transport clocks is set to Bars:Beats (by right clicking on it, if necessary). Then right click on that clock and choose “Edit Tempo”.

Thanks, perfect