<form action="upload.php" class="dropzone" id="dropzone">
    <div class="dz-message">העלה</div>
    <input type="hidden" name="folder" value="remoteAsterisk/DATA/">
</form>

ואז

    Dropzone.options.dropzone = {

        chunksUploaded: function (file, done) {
            let currentFile = file;
var = dropzone.hiddenField.folder;

            $.ajax({
                url: "fileEnd.php"
                    + "&folder=" + folder
                    + "&dzuuid=" + currentFile.upload.uuid
                    + "&dztotalchunkcount=" + currentFile.upload.totalChunkCount
                    + "&fileName=" + currentFile.name,
                success: function (data) {
                    done();
                },
                error: function (msg) {
                    currentFile.accepted = false;
                    //    dropzone._errorProcessing([currentFile], msg.responseText);
                }
            });
        },
    };

https://www.dropzonejs.com/#installation

שילוב של זה מוכן לאנגולר
https://github.com/thatisuday/ng-dropzone