In your application view you will have a Contact Us button. When you open a candidate's profile, you will see that the right side has a button called Contact Us.
From your list of candidates in https://coodesh.com/en/dashboard/applicants you can click on:
Contact Us - Invite for Interview or Invite for Technical Interview - Provide an Appointment Link in the Calendar - Send.
The candidate will receive a notification with the appointment request with the link provided by you.
We recommend that you use a companion tool for calendar synchronization. Recommended examples:
Create a Calendly account using your work email - https://calendly.com/
Create a calendar link with available times.