The charges you have accrued since the start of the current calendar month for sending SMS
messages.
You can set an alarm for this metric to know when your month-to-date charges are close to the
monthly SMS spend limit for your account. When Amazon SNS determines that sending an SMS
message would incur a cost that exceeds this limit, it stops publishing SMS messages within
minutes.
The charges you have accrued since the start of the current calendar month for sending SMS messages.
You can set an alarm for this metric to know when your month-to-date charges are close to the monthly SMS spend limit for your account. When Amazon SNS determines that sending an SMS message would incur a cost that exceeds this limit, it stops publishing SMS messages within minutes.
Valid Statistics: Maximum