I want to add notes (i.e., Text or Annotation) and symbols at the selected coordinates on the map

[Girishchandra_Yendargaye]

I want to add notes (i.e., Text or Annotation) and symbols at the selected coordinates on the map

[LucasDanzinger]

Create a Graphic and use a TextSymbol  as the symbol type for the Graphic. This is demonstrated here - arcgis-runtime-samples-qt/ArcGISRuntimeSDKQt_CppSamples/DisplayInformation/GOSymbols at master · Esr...