The SMS Provider Data Feed provides access to the built-in list of SMS providers.

This holds account IDs and authentication tokens for services such as Twilio.

Note that while the Data Feed is read-only, the built-in list of SMS providers can itself be manipulated.

This is done via the Layout Manager / Globe Node / Properties, SMS tab.

On this, the configuration button provides the ability to pull in provider information from a Query (which you configure to pull in data from a Table).

Once this is configured, the data needs to be read from the Query. For performance reasons this is not done every time the data is needed, but only when the Event Action "Reload SMS Providers" is executed. Typically you configures this on the Record Change Event of the Table containing the provider information that the Query is referencing.

The built-in SMS Provider list is used by the Send SMS Message action: