Step 1:

Once logged into the Portal go to the Push Notifications tab on side bar, then click on Create Push Notifications

Step 2:

Select the role/roles that you want to send the notification to. 

(Remember to consider the content of the Push notification if choosing to send to users under 18)

Step 3:

Enter a title and body, the title can only be 25 characters long and the body can be only 125 characters long. 

Step 4: 

Select the location of where the notification will take the user

Step 5:

Schedule when the notification will be sent if it will be now or later