getMarkupTypes
Returns a list of currently suppported markup types.
Syntax
RxCore.getMarkupTypes()
Parameters
- None
Returns
- Array — An array of markup type objects.
Each type object has these properties.
   let markuptype = {
        label : string = "friendly name",
        typename : string =  'UNIQUE_NAME', 
        type : number, 
        subtype : number
    }
The returned type object can be used with method RxCore.getMarkupProperties(typeobj) to get the supported propeties for the markup type.