private static async Task <Response> SendTemplateEmail() { var requestmessage = new HttpRequestMessage(HttpMethod.Post, "https://api.sendgrid.com/v3/mail/send"); requestmessage.Headers.Authorization = new AuthenticationHeaderValue("Bearer", Apikey); requestmessage.Content = new StringContent( "{\n " + "\"personalizations\": [\n " + "{\n " + "\"to\": [\n " + "{\n " + "\"email\": \"<<<<Insert Addressee email here>>>>\",\n " + //Requires attention "\"name\": \"<<<<Insert Addressee name here>>>>\"\n " + //Requires attention "}\n " + "],\n " + "}\n " + "],\n " + "\"from\": {\n " + "\"email\": \"<<<<Insert Sender email here>>>>\",\n " + //Requires attention "\"name\": \"<<<<Insert Sender name here>>>>\"\n " + //Requires attention "},\n " + "\"template_id\": \"<<<<Insert Template ID here>>>>\"\n" + //Requires attention "}", Encoding.UTF8, "application/json" ); return(await Client.MakeRequest(requestmessage)); }