This help article walks you through the process of adding a colleague as an admin user on HolidayActivities.
Log in to HolidayActivities and, from the dashboard, select 'Settings'.
Next, simply select 'Manage users'.
From here, select 'Add new user' in the top, right-hand corner of the screen.
You will then be prompted to confirm the new user's first name, last name and email address. Finally, select 'Create user' to add your colleague to HolidayActivities.
Your new admin user has been added! They can now log in to the account directly, via app.holidayactivities.com/login.