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Steve A

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  1. Question: I’m trying to use Ajax to fetch a JSON feed from a Trumba Connect URL, but I’m unable to due to Cross Origin Resource Sharing (CORS) limitations. Do you have examples of calling a Trumba Connect URL from javascript? If so can URLs be added? We’re getting blocked by CORS policy when I try to retrieve the JSON feed. Would adding Access-Control-Allow-Origin rules on your end the best way to proceed?

    Answer: There is a setting on the JSON feed settings where you can specify the domains were CORS should be allowed. To access the setting in Trumba, select the published calendar, and then select Publish Settings>Feeds tab and then select Edit Settings & Styles for the JSON feed. Enter your URL(s) in the Allowed Websites field like below.



  2. In Trumba T2, aspect ration options are available when using the cropping option on images.



    To crop an image, go to the Images tab located in the upper left corner of your account and then select the name of the image you want to crop. If you are adding an image to a new event, select Crop Image after selecting the image; or if editing an existing image attached to an existing event, click Edit to the right of the Event image or Detail image field and select the Crop Image option and here you can manually crop the image or use one of the 13 pre-set Aspect Ratios provided.

    1. What method of encryption is used to secure the connection between the two services?
    2. Does Trumba or Microsoft keep audit logs of the activity between the two services? 
    3. Is Trumba app been approved by Microsoft?  I cannot find the Trumba app at Microsoft app store. 


    Trumba’s new SharePoint integration (described here https://www.trumba.com/help/publish/pub_mod_sharepoint.aspx) provides a modern SharePoint web part that is just a thin wrapper around the Trumba spud widgets. This was required to allow the SharePoint site to reference our spuds.js API.  There really is no interaction between Trumba and SharePoint beyond them hosting the web part. The users browser requests the spud directly from trumba.com without any data communication between Microsoft and SharePoint. 

    There is no data transmitted between the two services so there is nothing to encrypt. The reason no data is passed between the two systems is because the modern SharePoint web parts are implemented in client side JavaScript code, so the interaction when the web part is displayed is only between the end user’s browser and Trumba directly.  SharePoint just hosts the JavaScript code that is provided to the end user’s browser.

    There are no audit logs kept specific to SharePoint.  Since there is really no interaction, there is nothing to log.

    We have not yet submitted the web part to Microsoft for inclusion in the app store.

  3. If your page is HTTPS, locate the code on your page:

    <script type="text/javascript" src="http://www.trumba.com/scripts/spuds.js"></script><script type="text/javascript">

    Change the code by removing http: so the spuds.js line appears as follows:

    <script type="text/javascript" src="//www.trumba.com/scripts/spuds.js"></script><script type="text/javascript">

    If this does not work, there have also been reports of a conflict between the latest Firefox updates (May/June 2020) and the DuckDuckGo extension Privacy Essentials. Disable the DuckDuckGo Privacy Essentials in Firefox private windows and the calendar should reappear.

  4. Classic Sharepoint supports the embedding of Javascript code, using content editor web parts, and embedding the HTML code you provide.

    You can also embed into Modern Sharepoint. Here is a help topic with instructions: https://www.trumba.com/help/publish/pub_mod_sharepoint.aspx

    To make the Trumba SharePoint web part available on your modern SharePoint site, you need to install the custom web part.

    The best way to embed Trumba in modern SharePoint is to have a tenant admin install the Trumba Web Part using the instructions here https://www.trumba.com/help/publish/pub_mod_sharepoint_admin.aspx

    Alternatively you can embed the Trumba Hosted view (or a page you create yourself on another website) using iframe code similar to below. However this method is not optimal. The iframe size will not adjust automatically so you may have to scroll to see all events, the view will not be mobile responsive, and direct links to specific event details will not function.

    <iframe width="1204" height="2258" src="https://www.trumba.com/calendars/trumba-u"></iframe>


    Each spud must be embedded in it’s own web part. SharePoint adds extra space between web parts and we have not found a way to remove extra space in any SharePoint documentation on changing the page margins between web parts. One thing you can try is adding the web parts in a 2 column layout with control spuds (like search or filter) in a left column and the tab chooser and main spud in a right column. One of the advantages of placing each spud in it’s own web part is that the spuds will rearrange into one column automatically on mobile.

    Below is an example 2 column layout example:



  5.   Trumba is a great way to get the word out quickly about changes to your upcoming events. If you do need to cancel or reschedule events, go to Cancel, remove, and delete events to learn about the pros and cons between canceling, removing, or deleting events. There, you’ll find links to specific topics about each method. Other approaches that might help:

    Having trouble, or seeing error messages, when you’ve tried to remove or delete events? See Troubleshoot getting rid of events 

    We’re always here to help: support@corp.trumba.com

  6. If you secure your calendar by requiring sign in with a visitor account, and if supported by your identity provider, you can change the default domain used with event actions for your calendar to trumba.com.

    Using trumba.com as the domain for event actions can improve performance for visitors applying single sign out.

    To change the domain used for event actions:

    1. Sign in to the appropriate publisher administrator account.
    2. On the left, under Other Tasks, click Customize Event Actions.
    3. On the Settings tab, in the Domain section, select trumba.com rather than eventactions.com.
    4. Click OK.

    SSO Help Topic

  7. Trumba has rewritten and replaced the "Trumba Classic" admin interface (UI) with a more modern, accessible, and mobile responsive UI, called "T2" (free for all Trumba customers)!

    Trumba Classic was available for existing customers through July 1, 2020. 

    Aside from the significant speed and processing improvements, T2 includes several important new features. Learn more: T2 admin user interface. Here is a short video demonstrating Trumba's new T2 UI

    Please send any questions or feedback to: support@corp.trumba.com.

    All Trumba accounts were automatically transitioned to “T2 Only” on July 1, 2020.


    With this new interface, we have discontinued support for all versions of Internet Explorer, Including Internet Explorer 11 as it is not a modern web browser. Internet Explorer users will need to either move to Microsoft Edge or one of the browsers below if you are using the Trumba interface. Published calendars can still be viewed in Internet Explorer.

    The web browsers that our new user interface support currently include:

    • Microsoft Edge
    • Google Chrome
    • Mozilla FireFox
    • Apple Safari
  8. With the "Automatically invite from wait list when space is available" option, you automatically invite (and reserve spaces for) people on the wait list when one or more spaces opens up. By adding a response timeout, you continue to invite the next person who joined the waitlist (automatically) if the previous invitee doesn't respond within a time limit that you set. With response timeout, it's first come, first serve amongst all the people invited, which makes this a great option to use to help fill the available spaces for your events. For more information, go to Manage the wait list.


  9. You can apply robot detection to event submission forms in Trumba. With robot detection enabled, event submitters must pass a CAPTCHA to attest that they are human, before they can submit an event. The placement is limited to the very top of the submission form and cannot be positioned at the bottom of the form.

    (A CAPTCHA is a program that presents a test designed to protect websites from non-human input, or “bots.”) For more information, go to Set Up an Event Submission Form.


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