Ajax upload of file with bootbox popup

upload.file.js

bootbox.upload("Choose file", "/file_upload/", function($form) {
  if (!$form) return;

  var form_data = new FormData();
  form_data.append("file", $form.find("input[type='file']")[0].files[0]);

  $.ajax({
      url: $form.attr("action"),
      processData: false, // Important!
      contentType: false, // Important!
      data: form_data,
      type: $form.attr("method"),
      success: function(data, text) {
          data = JSON.parse(data);
          console.log("File uploaded");
      },
      error: function() {
          console.log("Server error or no connection. Please try again.");
      }
  });
  });
}

Top!

Hello vsergeyev, which 'bootbox.upload()' function are you referring to?