aid: mlsgrid
name: MLS Grid Vocabulary
description: Operational vocabulary for the MLS Grid RESO Web API — resources, signal fields, statuses, and license-control flags.
terms:
- name: Property
  type: Resource
  description: RESO Data Dictionary Property resource. Primary listing entity exposed by MLS Grid.
- name: Member
  type: Resource
  description: Real estate agent record.
- name: Office
  type: Resource
  description: Brokerage office record.
- name: OpenHouse
  type: Resource
  description: Open house event tied to a Property.
- name: Media
  type: Resource
  description: Listing media (photos, virtual tours). Inline via $expand or standalone where supported.
- name: Lookup
  type: Resource
  description: Per-MLS enumeration values translatable to RESO StandardLookupValue.
- name: OriginatingSystemName
  type: SignalField
  description: Identifies the source MLS (e.g. actris, mred, nwmls). Required in every replication filter.
- name: ModificationTimestamp
  type: SignalField
  description: UTC last-modified timestamp used to drive incremental replication watermarks.
- name: PhotosChangeTimestamp
  type: SignalField
  description: UTC timestamp indicating when Media for a listing last changed.
- name: MlgCanView
  type: LicenseFlag
  description: Boolean flag indicating whether a record may currently be displayed under license terms.
- name: MlgCanUse
  type: LicenseFlag
  description: Array of allowed use cases (IDX, VOW, BO, PT).
- name: IDX
  type: UseCase
  description: Internet Data Exchange — public consumer-facing display.
- name: VOW
  type: UseCase
  description: Virtual Office Website — authenticated consumer display.
- name: BO
  type: UseCase
  description: Broker-Only — restricted to broker/agent users.
- name: PT
  type: UseCase
  description: Product Testing / development use.
- name: StandardStatus
  type: Enumeration
  description: RESO normalized listing status.
- name: PropertyType
  type: Enumeration
  description: RESO normalized property type.
- name: 'odata:nextLink'
  type: PaginationToken
  description: OData server-driven pagination link returned in collection responses.