Returns a list of phone numbers that are opted out, meaning you cannot send SMS messages to them.
See https://www.paws-r-sdk.com/docs/sns_list_phone_numbers_opted_out/ for full documentation.
sns_list_phone_numbers_opted_out(nextToken = NULL)
A NextToken
string is used when you call the
list_phone_numbers_opted_out
action to retrieve additional records that are available after the first
page of results.