Gets the optional custom function mapping store. A custom function mapping store takes precedence over the function mapping store obtained from the Dynamic Query Engine (DQE) used for producing the SQL for the query. If a custom function mapping store is needed for a query,

FunctionMappingStore IQuerySpec.CustomFunctionMappingStore { get; }

Private ReadOnly Property CustomFunctionMappingStore As FunctionMappingStore
	Implements IQuerySpec.CustomFunctionMappingStore
	Get