How to add markers to the days?

[viniciusgati]

Hi on the examples there is some markers, but on the documentation i cant figured out the way to add this markers

[thisisjatinrana]

same question here.

[sekeww]

same here

[juanlabrador]

Here

[rajextreme9476]

Same here

[sergio-27]

@AppliKey answeeer to this question please

[GabrielXs]

same here

[abdulrahmankazi]

#93 Refer for adding events