https://community.fabric.microsoft.com/t5/Developer/Refresh-embed-token-using-javascript/m-p/1995686#M30892 <P>First of all, you're passing in the "Bearer " string to the authorisation header twice, so I don't think your token refresh would work. Also you probably don't need to scope it with `this.`.&nbsp;</P><LI-CODE lang="javascript">var bearerToken = "Bearer ..." ... "Authorization": 'Bearer ${this.bearerToken}'</LI-CODE><P><BR />The second part is your generateEmbedToken is expected to return a Promise, but all it does is execute an ajax call, so the error is saying that there is no `.then()` function on a boolean.<BR /><BR />Hope this helps.</P> Tue, 03 Aug 2021 15:01:44 GMT AndreiPopa 2021-08-03T15:01:44Z https://community.fabric.microsoft.com/t5/Developer/Refresh-embed-token-using-javascript/m-p/918066#M22177 <P>Hi All,</P><P>&nbsp;</P><P>I am generating embed token if expired using javascript using below is complete code:</P><P>&nbsp;</P><LI-CODE lang="javascript">var url = "https://app.powerbi.com/groups/5036f206-3d0e-46b8-8e3e-a54a8b35dd19/reports/447a6395-0ab8-46aa-9afa-aa67e11633eb/ReportSection9fdfd7dd0814177238c5" var embedurl = "https://app.powerbi.com/reportEmbed?reportId=b4fc3b95-a1c4-462c-8ce4-3d6c0de928af&amp;autoAuth=true&amp;groupId=02a09d2e-96ea-480a-a402-a68d42f51e49"; var urlParams = url.split('/'); var groupId = urlParams[4]; var reportID = urlParams[6]; console.log(groupId,"&amp;&amp;", reportID); $(document).ready(function () { embedReportAndSetTokenListener(false, reportID, groupId, this.datasetId, "Create", "https://api.powerbi.com/beta/myorg/", embedurl); }); function generateEmbedToken(reportID, groupID) { var apiUrl = "https://api.powerbi.com/v1.0/myorg/groups/" + groupID + "/reports/" + reportID + "/GenerateToken" var bearerToken = "Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6IkhsQzBSMTJza3hOWjFXUXdtak9GXzZ0X3RERSIsImtpZCI6IkhsQzBSMTJza3hOWjFXUXdtak9GXzZ0X3RERSJ9.eyJhdWQiOiJodHRwczovL2FuYWx5c2lzLndpbmRvd3MubmV0L3Bvd2VyYmkvYXBpIiwiaXNzIjoiaHR0cHM6Ly9zdHMud2luZG93cy5uZXQvYzQyNjExM2UtZDNjZS00YWRiLWJiOTEtYzUzYjM3YzU4ZjE0LyIsImlhdCI6MTU4MDQ2NTQwNywibmJmIjoxNTgwNDY1NDA3LCJleHAiOjE1ODA0NjkzMDcsImFjY3QiOjAsImFjciI6IjEiLCJhaW8iOiI0Mk5nWU5pemJ5MmpnM2pSMWRmdVd1NFhjM0o3TjBXMzcvajZPU01xdkdwYVdGbmxjMGtBIiwiYW1yIjpbInB3ZCJdLCJhcHBpZCI6IjdmNTlhNzczLTJlYWYtNDI5Yy1hMDU5LTUwZmM1YmIyOGI0NCIsImFwcGlkYWNyIjoiMiIsImZhbWlseV9uYW1lIjoiUmVwb3J0cyIsImdpdmVuX25hbWUiOiJQSE0iLCJpcGFkZHIiOiIxMDYuMTk3LjE5OS4xMDMiLCJuYW1lIjoiUEhNIFJlcG9ydHMiLCJvaWQiOiJhMjBkNTZkMi05MjlkLTQ2NTctOTY2Ny05NjRhNzU0YTM0ODQiLCJvbnByZW1fc2lkIjoiUy0xLTUtMjEtMjA0MTg1ODIxNS0yODY0NjY5MTUwLTM2ODc0NzYyNS0xNjYyOSIsInB1aWQiOiIxMDAzN0ZGRUE5M0ZFOTI2Iiwic2NwIjoidXNlcl9pbXBlcnNvbmF0aW9uIiwic3ViIjoiY29mOFFBcFJWTEpVWnowZnozTHhvbUFVWmdqM2FMWWxINFdUbnFJMVdyayIsInRpZCI6ImM0MjYxMTNlLWQzY2UtNGFkYi1iYjkxLWM1M2IzN2M1OGYxNCIsInVuaXF1ZV9uYW1lIjoiUEhNLlJlcG9ydHNASEVBTFRIRUMuQ09NIiwidXBuIjoiUEhNLlJlcG9ydHNASEVBTFRIRUMuQ09NIiwidXRpIjoid2xmZE5aakVoMGFhVlpKMkFlaHVBQSIsInZlciI6IjEuMCJ9.vb0qae_Dkzw_oT4_1YsxHc-UCBGhGoYTMPN5BX0t8f8skLMZUiSupqiQkh-oms2Rg-14qk_jIEvpq9mhZt4HJEJ0w94Tn-RD8GToDlJ0bjRLEkskkUrnLUgudlT-Qa0etD3fyINMgaUVRiN2uNfP2Umipi1gBpVu6-B7HMtRVz2gDIHQBS6_gu8FNYzZMe7Ktc6DAfMPgYW3RUWIeMoiwMFr-u_eTHQheh70xnidkFrw-3L1CGqvh4tZyd3TbiURp3UlXVtM5awg75b4zKLth1_Y0Z-ROOmYh9geo24ytG8i3RxfgnlNgwBfHvrL1jvuysTDNHotbZgQgjNslS7Y4Q"; $.ajax({ type: "POST", url: apiUrl, headers: { "Content-Type": "application/json", "Authorization": 'Bearer ${this.bearerToken}' }, body: { "accessLevel": "View", "datasetId": this.datasetId }, success: function (response) { console.log('Token accessed'); }, failure: function(xhr, status, error){ console.log(error); }, error: function (response) { console.log(response); } }); return false; } function embedReportAndSetTokenListener(setAccessToken, reportId, groupId, datasetId, accessLevel, baseUri, embedUrl){ // Generate embed token generateEmbedToken(reportId, groupId).then(function(Token) { var embedToken = Token.token; // set config for embedding report var config = createConfig(embedToken,embedUrl,reportId); // Get a reference to the embedded report HTML element var embedContainer = $('#embedContainer')[0]; // Embed the report and display it within the div container. var report = powerbi.embed(embedContainer, config); // Report.off removes a given event handler if it exists. report.off("loaded"); // Report.on will add an event handler which prints to Log window. report.on("loaded", function() { // Set token expiration listener setTokenExpirationListener(Token.expiration, 2 /*minutes before expiration*/, reportId, groupId); }); }); } function setTokenExpirationListener(tokenExpiration, minutesToRefresh, reportId, groupId){ // get current time var currentTime = Date.now(); var expiration = Date.parse(tokenExpiration); var safetyInterval = minutesToRefresh* 60 * 1000; // time until token refresh in milliseconds var timeout = expiration - currentTime - safetyInterval; // if token already expired, generate new token and set the access token if (timeout&lt;=0) { console.log("Updating Report Embed Token"); updateToken(reportId, groupId); } // set timeout so minutesToRefresh minutes before token expires, token will be updated else { console.log("Report Embed Token will be updated in " + timeout + " milliseconds."); setTimeout(function() { updateToken(reportId, groupId); }, timeout); } } function updateToken(reportId, groupId) { // Generate new EmbedToken generateEmbedToken(reportId, groupId) .then(function( Token ) { // Get a reference to the embedded report HTML element var embedContainer = $('#embedContainer')[0]; // Get a reference to the embedded report. var report = powerbi.get(embedContainer); // Set AccessToken report.setAccessToken(Token.token) .then(function() { // Set token expiration listener // result.expiration is in ISO format setTokenExpirationListener(Token.expiration,2 /*minutes before expiration*/); }); }); }</LI-CODE><P>&nbsp; When i run application getting error like&nbsp;ypeError: generateEmbedToken(...).then is not a function<BR />at embedReportAndSetTokenListener.</P><P>&nbsp;</P><P>How could i fix this issue, Please suggest.</P><P>&nbsp;</P> Fri, 31 Jan 2020 15:49:57 GMT https://community.fabric.microsoft.com/t5/Developer/Refresh-embed-token-using-javascript/m-p/918066#M22177 Anonymous 2020-01-31T15:49:57Z https://community.fabric.microsoft.com/t5/Developer/Refresh-embed-token-using-javascript/m-p/1652109#M27732 <P>Were you able to find any solution.</P><P>If yes please post here, I am looking for the same thing.</P> Mon, 08 Feb 2021 14:34:03 GMT https://community.fabric.microsoft.com/t5/Developer/Refresh-embed-token-using-javascript/m-p/1652109#M27732 nnm 2021-02-08T14:34:03Z https://community.fabric.microsoft.com/t5/Developer/Refresh-embed-token-using-javascript/m-p/1995686#M30892 <P>First of all, you're passing in the "Bearer " string to the authorisation header twice, so I don't think your token refresh would work. Also you probably don't need to scope it with `this.`.&nbsp;</P><LI-CODE lang="javascript">var bearerToken = "Bearer ..." ... "Authorization": 'Bearer ${this.bearerToken}'</LI-CODE><P><BR />The second part is your generateEmbedToken is expected to return a Promise, but all it does is execute an ajax call, so the error is saying that there is no `.then()` function on a boolean.<BR /><BR />Hope this helps.</P> Tue, 03 Aug 2021 15:01:44 GMT https://community.fabric.microsoft.com/t5/Developer/Refresh-embed-token-using-javascript/m-p/1995686#M30892 AndreiPopa 2021-08-03T15:01:44Z