On the left hand side click on "Update Phone Number".
The number next to "Cell" will be the one the alert will be sent to.
Employees
To sign-up/update:
Sign into your Employee Self Service(SAP) account at https://firefly.nebraska.edu/ using your NUID and password
Click the Employee Self Service tab
Click the About Me tab
Click the pencil icon to edit
Enter the number you would like to receive calls and text messages at in an available space (#2 thru #5) for telephone numbers and set the Phone Type to “Text Message” either from the drop down menu or by typing “TEXT” into the field. If you list your cell phone separately, you must still enter a “TEXT” line for it to be captured in reporting.