The Usability Suggestion warning is issued in the following situations:

Edit this Send Message element and set the Phone Slot property to the Default value.

In order to send end-user inputs to the Platform Server, edit this screen or block and do one of the following:

To send end-user inputs back to the server do the following:

Clicking the symbol will take you directly to the property or element that issued the warning.

See Also

Build SMS Dialogs | About Warning Messages