More description for MyFeature

_sources/myFeature/description.md

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+## Custom Feature Type 
+
+This building block illustrates a typical "Feature Type" - where an object is modelled as a "Feature with geometry", but has its own "native schema" - or "domain model".
+
+This is an **interoperable** approach to defining a Feature, allowing re-use of a well-defined domain model.
+
+i.e. the attributes (properties) are managed independently of the packaging container (Feature) 
+
+the **mySchema" building block is referenced by this container, complete with an example of semantic annotations for the domain model.  It may inherit reusable sub-components using the same mechanisms - after all there is usually a lot in common across a range of FeatureTypes in any environment.  
+
+This building block **inherits** reusable semantic annotations from a common library, simplifying implementation. 
+
+
+