seperate function for sending confirmation

erpnext/crm/doctype/appointment/appointment.py

@@ -42,6 +42,8 @@ class Appointment(Document):
             # Set status to unverified
             self.status = 'Unverified'
             # Send email to confirm
+
+    def send_confirmation_email()
         verify_url = self._get_verify_url()
         template = 'confirm_appointment'
         args = {
@@ -56,7 +58,6 @@ class Appointment(Document):
         frappe.msgprint(
             'Please check your email to confirm the appointment')
 
-
     def on_change(self):
         # Sync Calendar
         if not self.calendar_event: