pub fn phone_numbers(mut self, input: impl Into<std::string::String>) -> Self {
            let mut v = self.phone_numbers.unwrap_or_default();
            v.push(input.into());
            self.phone_numbers = Some(v);
            self
        }
/// Appends an item to `phone_numbers`.
///
/// To override the contents of this collection use [`set_phone_numbers`](Self::set_phone_numbers).
///
/// <p>A list of phone numbers that are opted out of receiving SMS messages. The list is paginated, and each page can contain up to 100 phone numbers.</p>
Appends an item to `phone_numbers`.
To override the contents of this collection use [`set_phone_numbers`](Self::set_phone_numbers).

A list of phone numbers that are opted out of receiving SMS messages. The list is paginated, and each page can contain up to 100 phone numbers.
Appends an item to ` phone_numbers ` . To override the contents of this collection use [ ` set_phone_numbers ` ] ( Self :: set_phone_numbers ) . A list of phone numbers that are opted out of receiving SMS messages . The list is paginated and each page can contain up to 100 phone numbers .
pub fn phone_numbers(mut self, input: impl Into<std::string::String>) -> Self {
            let mut v = self.phone_numbers.unwrap_or_default();
            v.push(input.into());
            self.phone_numbers = Some(v);
            self
        }
pub fn phone_numbers ( mut self , input : impl Into < std :: string :: String > ) -> Self { let mut v = self . phone_numbers . unwrap_or_default ( ) ; v . push ( input . into ( ) ) ; self . phone_numbers = Some ( v ) ; self }
Appends an item to `phone_numbers`.
Appends an item to ` phone_numbers ` .
mut self
input
impl Into<std::string::String>
mut self
input
impl Into<std::string::String>