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A Type
Used to describe membership in a loyalty programs (e.g. "StarAliance"), traveler clubs (e.g. "AAA"), purchase clubs ("Safeway Club"), etc.
PropertyExpected TypeDescription
Properties from ProgramMembership
hostingOrganization Organization The organization (airline, travelers' club, etc.) the membership is made with.
member Organization  or
A member of an Organization or a ProgramMembership. Organizations can be members of organizations; ProgramMembership is typically for individuals. Supersedes members, musicGroupMember.
Inverse property: memberOf
membershipNumber Text A unique identifier for the membership.
membershipPointsEarned Number  or
The number of membership points earned by the member. If necessary, the unitText can be used to express the units the points are issued in. (E.g. stars, miles, etc.)
programName Text The program providing the membership.
Properties from Thing
additionalType Text  or
An additional type for the item, typically used for adding more specific types from external vocabularies in microdata syntax. This is a relationship between something and a class that the thing is in. Typically the value is a URI-identified RDF class, and in this case corresponds to the use of rdf:type in RDF. Text values can be used sparingly, for cases where useful information can be added without their being an appropriate schema to reference. In the case of text values, the class label should follow the style guide.
alternateName Text An alias for the item.
description Text  or
A description of the item.
disambiguatingDescription Text A sub property of description. A short description of the item used to disambiguate from other, similar items. Information from other properties (in particular, name) may be necessary for the description to be useful for disambiguation.
identifier PropertyValue  or
Text  or
The identifier property represents any kind of identifier for any kind of Thing, such as ISBNs, GTIN codes, UUIDs etc. provides dedicated properties for representing many of these, either as textual strings or as URL (URI) links. See background notes for more details.
image ImageObject  or
An image of the item. This can be a URL or a fully described ImageObject.
mainEntityOfPage CreativeWork  or
Indicates a page (or other CreativeWork) for which this thing is the main entity being described. See background notes for details.
Inverse property: mainEntity
name Text The name of the item.
potentialAction Action Indicates a potential Action, which describes an idealized action in which this thing would play an 'object' role.
sameAs URL URL of a reference Web page that unambiguously indicates the item's identity. E.g. the URL of the item's Wikipedia page, Wikidata entry, or official website.
subjectOf CreativeWork  or
A CreativeWork or Event about this Thing.
Inverse property: about
url URL URL of the item.

Instances of ProgramMembership may appear as a value for the following properties
PropertyOn TypesDescription
memberOf Organization  or
An Organization (or ProgramMembership) to which this Person or Organization belongs.
programMembershipUsed Reservation Any membership in a frequent flyer, hotel loyalty program, etc. being applied to the reservation.


Example 1
Example notes or example HTML without markup.
An email message describing the points earned.
Example encoded as JSON-LD in a HTML script tag.
<script type="application/ld+json">
  "@type": "ProgramMembership",
  "name": "ACME customer rewards",
  "membershipPointsEarned": {
    "@type": "QuantitativeValue",
    "unitText": "Starpoints",
    "value": 500
Structured representation of the JSON-LD example.