Very nice Bastien, I wasn't asking that much! :) I’ve taken the liberty of editing the page to tune the language here and there, I hope you don’t mind. I’ve also used the {{image}} macro which is our best practice in order to have similar images across xwiki.org. Thanks a lot for providing this, I’m sure it’ll help others! -Vincent PS: I’ve checked a bit the non-working link (the fact that the user cannot click on it). The generated HTML seems to have a wrong &amp; : <span class="wikiinternallink"><a href="/xwiki/bin/objectadd/Extension/CleanActivityStream?classname=ExtensionCode.ExtensionCompatibilityClass&amp;form_token=sZ8x5nxLJb3Ac9sYqh7H7A">add an Extension Compatibility Object</a></span> The code that generates this is:       #set($addobjecturl = $doc.getURL('objectadd', "classname=ExtensionCode.ExtensionCompatibilityClass&form_token=$!{services.csrf.getToken()}"))       : General Compatibility       : For registering information about a Tested configuration please [[add an Extension Compatibility Object>>path:$addobjecturl]] instead (save your  So it seems that getURL() could be wrongly URL-encoding the query string (need to check the code). Thanks -Vincent On 21 Jan 2016 at 10:04:37, Pascal BASTIEN (pbasnews-xwiki(a)yahoo.fr) wrote: A form to choose and delete manually some event from Activity Stream: http://extensions.xwiki.org/xwiki/bin/view/Extension/CleanActivityStream Bon appetit then! BTW, in inline mode of extension page the link "Extension Compatibility Object" from <<General Compatibility: For registering information about a Tested configuration please add an Extension Compatibility Object instead (save your modifications first!)>> doesn't work. We must add manually ExtensionCode.ExtensionCompatibilityClass object at the extension page. -------------------------------------------- En date de : Mer 20.1.16, vincent(a)massol.net &lt;vincent(a)massol.net&gt; a écrit : Objet: Re: [xwiki-users] How can I get event object through a form (a form to choose and delete manually some events) À: "XWiki Users" &lt;users(a)xwiki.org&gt; Date: Mercredi 20 janvier 2016, 15h09 On 20 Jan 2016 at 11:49:31, Pascal BASTIEN (pbasnews-xwiki(a)yahoo.fr) wrote: greedy!  indeed :) Ok I will find some time to post that :-)  cool, thanks -Vincent