ExpandableAds creatives are subject to change on user reaction in size. In this AdServer can be stored in two ways:
a) You get an HTML code (redirect) the customer's ad server from advertisers. In this case, the ad server the client takes care of the opening and closing of the banner. Insert the code as a normal HTML banners, and also select the setting "required script delivery". As a size for the banner, specify the size when closed.
b) You will receive an HTML5 file from advertiser. Here the advertisement should be prepared accordingly. Detailed information on HTML5 advertising materials and the conditions for expandables.
Keywords: expandable, promotional products