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                <!DOCTYPE html>
 <title>Adobe Document Services PDF Embed API Sample</title>
 <meta charset="utf-8"/>
 <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"/>
 <meta id="viewport" name="viewport" content="width=device-width, initial-scale=1"/>
<body style="margin: 0px">
 <div id="adobe-dc-view" style="height: 500px;"></div>

 <button onclick="alert('file_size: '+file_size+', last_updated: '+last_updated);">Save PDF File</button>
   FocusPolling is not fast enough.<br>
   If I draw something and click submit immediately - it doesn't capture the lastest changes.<br>

 <script src=""></script>
 <script type="text/javascript">
      var last_updated = "";
      var file_size = 0;

    document.addEventListener("adobe_dc_view_sdk.ready", function()
        var adobeDCView = new AdobeDC.View({clientId: "e800d12fc12c4d60960778b2bc4370af", divId: "adobe-dc-view"});

         function(metaData, content, options) {
            file_size = content.length;
            last_updated = new Date() + "";

            console.log(content, file_size);

            //Save "content" to the path specified in "metaData" here. 

            return new Promise((resolve, reject) => {
                  code: AdobeDC.View.Enum.ApiResponseCode.SUCCESS,
                  data: {
                     metaData: metaData
            autoSaveFrequency: 1,
            enableFocusPolling: true,
            showSaveButton: false

          content:   {location: {url: " Brochure.pdf"}},
          metaData: {fileName: "Bodea Brochure.pdf"}