Send the following on WhatsApp
Continue to ChatOS X agenda: Snel agenda's tonen of verbergen https://www.appletips.nl/os-x-agenda-snel-agendas-tonen-of-verbergen/
OS X agenda: Snel agenda's tonen of verbergen https://www.appletips.nl/os-x-agenda-snel-agendas-tonen-of-verbergen/