Using SweetAlert2 with Codeigniter

Put In FunctionName in Controller

  $this->session->set_flashdata('btn_save_message', 'success');

  redirect('ControllerName/FunctionName');

Put in View Name 

  <input type="hidden" id="save_success" 

  value="<?php echo $this->session->flashdata('btn_save_message'); ?>">

Put in Jquery

  if ($("#save_success").val() == 'success') {
    swal(

         {

            title: "Success!", 

            text: "Message has been recorded successfully!", 

            type: "success", 

            timer: 1500

         }

       );

    }