<form action="/target" class="dropzone" id="my-great-dropzone"></form>
Dropzone.options.myGreatDropzone = { // camelized version of the `id`
paramName: "file", // The name that will be used to transfer the file
accept: function(file, done) {
if (file.name == "justinbieber.jpg") {
done("Naha, you don't.");