Bulk Custom Notifications
Go to Editor>>Custom Notifications>>Click on Hamburger Menu>>Send Notifications to bulk users
The above action will lead to the following page
The Editor needs to Type the message that is to be sent as a notification.
This notification can also be sent as a "SMS", by checking the "SMS" checkbox.
Upload Users Data File
Editor needs to select the "User Identifier" type, basically a means by which the user can be uniquely identified.
After the "Download Template" button will be activated, Editor needs to download the template and fill the email ids's of the recipients and save them.
After this step Editor should select the file and click on "Upload".