http://resoapi.wfrmls.com/reso/odata/Properties?$filter=(PropertyType has Odata.Models.PropertyType'Residential') and PropertyType has Odata.Models.PropertyType'Residential'&$top=10&$select=ListingKeyNumeric,BedroomsTotal,Directions,ListingContractDate,ModificationTimestamp,StandardStatus,PropertyType,PublicRemarks,PropertyType
A Single Valued Lookup is a field that can have one and only one selection from a list of values. The Web API Implements Single Valued Lookup fields using the OData data type of Edm.EnumType with an underlying type of Edm.Int32.