Below is a basic sample of how to display the What's On widget in an <iframe>. A few things to note about the attributes in this sample:
src: this URL will be provided to you by one of our sales or account managers. border: needs to be equal to zero(0) or the <iframe> will have a border around it.width: needs to be greater than or equal to 300 or horizontal scrollbars will display. height: needs to be expiremented with to find the size that best suits your widget. <iframe src="//whatson.titantv.com/Whats/Showing/Now?css={{styleSheets.value}}&ds={{callLetters}}"style="border:0; width:{{width}}px; height:{{height}}px;"></iframe>