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function telerivet_sms(){
  var api_key = 'LOFyMQSPUIZbmd6CCwQNr6p7Akqmd9Qw';
  var PROJECT_ID = 'PJ14f099e4d8fa97c6';
  var data = {
    "content" : "sdfdgdh",
    "to_number" : "0966126910"
  };
  var payload = JSON.stringify(data);
  var headers = {
    "Authorization" : "Basic " + Utilities.base64Encode(api_key + ':')
  };
  var options = {
    "method" : "POST",
    "contentType" : "application/json",
    "payload" : payload,
    "headers":headers
  };
  var url='https://api.telerivet.com/v1/projects/'+PROJECT_ID+'/messages/send';
  var response = UrlFetchApp.fetch(url, options);
  Logger.log(response);
  
}