US Patent 11188309 User interface engine for miniapp development

A method, computer system, and computer program product display a set of tiles within a first area of a graphical user interface. Each tile corresponds to a set of data nodes that are composable structured data objects according to a domain-specific language. A structured data object is composed from selected tiles and is displayed within a second area of the graphical user interface. Displaying the structured data object includes displaying a first tile and a second tile within a context of the structured data object. A value override is displayed at the first tile when a first value of the first set of data nodes is overridden by a second value of the second set of data nodes.