<script>
    // Disable auto discover for all elements:
    Dropzone.autoDiscover = false;

    new Dropzone("#drop-id",
            {
                url: "{{uploadUrl}}",
                method: 'post',
                dictRemoveFile: "Удалить",
                addRemoveLinks: true,
                autoProcessQueue: true,
                clickable: true,
                dictDefaultMessage: "{{dropMessage}}",

                init: function () {
                    this.on("sending", function (file, xhr, formData) {
                        formData.append("content_type", "{{contentType}}");
                        formData.append("param_name", "{{paramName}}");
                        formData.append("related_param", "{{relatedParam}}");
                        formData.append("related_param_value", {{relatedParamValue}});
                    });
                    this.on('success', function (file, response) {
                        $(file.previewTemplate).attr('data-id', response.record_pk);
                    });
                    this.on('removedfile', function (file, s, q) {
                        $.post("{{removeUrl}}", {
                            'pk': $(file.previewTemplate).attr('data-id'),
                            'content_type': "{{contentType}}"
                        })
                    });


                }
            }
    );
</script>