Appointment field to choose a place for the time slot

Help me do the impossible - appointment slots appointment slot meaning Platform: 2 OpenMRS: In the create appointment block for a provider , there is a missing 'Define time slot length: This field I appointment slot google calendar Reason for appointment How long With Slot type Asthma 1st Appointment 30 Minutes Sandra, Belinda Long term condifions Asthma Review

appointment slot slot for 1, 2 Applicants is : xx-02-2024 But when I proceed to Book an Appointment, there's no option at all All dates are grey block I