SMS Messaging is allows you to send messages, notifications and updates to applicants to their mobile phone via SMS messaging (or texting, if you're all modern and fancy), should the applicant opt to receive messages by SMS instead of emails.

SMS messages have a 700 character limit.

Enabling SMS Messaging on your account is quick and easy. On the Account Details page, scroll down to Customize & Design and select the SMS Settings tool.

From there, you have the option to Enable SMS Messaging. You can do this by switching the toggle next to the option.

Once you click the toggle you're all set! When composing messages to applicants you'll have the option to send the message via SMS instead of email.

Automatically tag SMS applicants 

You can automatically tag applicants who choose SMS by enabling the Tag SMS applicants switch (this switch will become visible once Enable SMS messaging is turned to ON). You can enable the Tag SMS applicants switch by going to Your Account/Account Details and clicking the Workflow button in the Customize & Design section on the Account Details page. Simply click the toggle to turn it to ON (or OFF to disable) and make sure to Save Changes.