How to include a locale field for sending SMS?

when creating data extensions for sms sending in salesforce marketing cloud (sfmc), it’s essential to include a locale field salesforce requires a locale data type to ensure that sms messages have the correct country prefix when being sent in this case you can use either fixed or dynamic custom values depending on your case if your data belongs to one locale, you can use fixed custom value to specify a default locale (e g , 'en us') if your data belongs to multiple locales, you can use dynamic custom value to specify the locale for a specific area (eg if the country = 'united states', then value = 'en us', if the country = 'canada', then value = 'en ca')