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IDX - Must Have Content (IDX Must)

  • The field must exist, data is required in all listings, it is non-nullable/not-blank.

IDX - May Have Content (IDX Blank)

  • The field must be part of the IDX Payload Metadata and if data exists it must be distributed, however, if data doesn’t exist per listing then that is allowable.

IDX - Nullable or not exposed BUT not blank (IDX Optional)

  • The Field must be part of the IDX Payload Metadata but the data can be nullable or not exposed on the distribution of the value at the discretion of the MLS based upon MLS business rules, licensing restrictions and/or federal/state/local regulations.

IDX - Nullable and NOT blank per MLS Bus Rules (IDX NblkOpt)

There is no content with the specified labels

  • The Field must be part of the IDX Payload Metadata but the data can be nullable or not exposed (BUT NOT blank ) on the distribution of the value at the discretion of the MLS based upon MLS business rules, licensing restrictions and/or federal/state/local regulations. The single field that meets this requirement is ListingContractDate.