The Annotations extension add a per floor array of AnnotationProperties as 'annotations'
and a single object of AnnotationSymbol keyed by string as 'annotationSymbols'.
The symbolKey property of the AnnotationProperties must be a key in the annotationSymbols object,
and will contain the icon URL and user facing name of the symbol.
The Annotations extension add a per floor array of AnnotationProperties as 'annotations' and a single object of AnnotationSymbol keyed by string as 'annotationSymbols'.
The
symbolKeyproperty of the AnnotationProperties must be a key in theannotationSymbolsobject, and will contain the icon URL and user facing name of the symbol.Interface