# Appointment operations

Click an appointment in the calendar to open it. In the bottom-right corner of the form you will find a row of quick actions.

## View client
Opens the data of the client associated with the appointment.
![The view client button](/storage/guide/03/3.1.en.png)

## Adding notes
Opens this appointment's notes.
![The notes button](/storage/guide/03/3.2.en.png)

## Generating an invoice for the appointment
Creates an invoice starting from this appointment's data.
![The generate invoice button](/storage/guide/03/3.3.en.png)