var subscriber = new Dictionary<string, string>() {
{"+3912345678", "John"},
{"+3917564237", "Mark"},
{"+3915765311", "Ester"}
};
// Iterate over subscribersforeach (var person in subscriber)
{
// Send a new outgoing SMS by POSTing to the Messages resource
MessageResource.Create(
from: new PhoneNumber("555-555-5555"), // From number, must be an SMS-enabled Twilio number
to: new PhoneNumber(person.Key), // To number, if using Sandbox see note above// Message content
body: $"Hello {person.Value}");
Console.WriteLine($"Sent message to {person.Value}");
}