william kuras thinks this is interesting: Note that the Url is configured by using an XML attribute, so you cannot use the “&” character when combining two or more parameters together. Instead, you must use the XML encoded value, which is &, as shown in the following example: From 1. Introducing SharePoint Apps from Microsoft® SharePoint® 2013 App Development by Scot Hillier and Ted Pattison Publisher: Microsoft Press Released: January 2013 Note must use html encoding Share this highlight http://www.safaribooksonline.com/a/microsoft-sharepoint-2013/46596/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Learn about Safari for Business Have an account? Sign in. Minimise Unlock the rest of Microsoft® SharePoint® 2013 App Development and 30,000 other books and videos By clicking this box, you confirm that you have read and agree to the terms and conditions of our Membership Agreement, and you understand that when your trial period ends, you will be required to provide billing information if you wish to continue using the service. Unlock the rest of this book Start a Free 10-Day Trial loading Learn about Safari for Business Have an account? Sign in.