Turn On Text Messaging Notifications. To adjust notifications for all apps. On your phone tap Settings Apps notifications Notifications Notifications on lock screen.

Under Lock screen turn on or off Sensitive notifications. In the Text Messaging dialog box in the Locale list click the country or region where your mobile device is registered. Tap Notifications Turn on All Messages for web notifications.
To receive app notifications make sure you receive app notifications on your phone.
Tap Notifications Turn on All Messages for web notifications. When text messaging notifications are enabled on a mailbox you can configure calendar notifications voice mail notifications and email notifications using an inbox rule. Enter your mobile phone number and then click Next. To clear the text messaging settings from your own mailbox use the Clear-TextMessagingAccount parameter.