{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "schema:ProgramMembership",
  "title": "ProgramMembership",
  "description": "Used to describe membership in a loyalty programs (e.g. \"StarAliance\"), traveler clubs (e.g. \"AAA\"), purchase clubs (\"Safeway Club\"), etc.",
  "type": "object",
  "allOf": [
    {
      "description": "A utility class that serves as the umbrella for a number of 'intangible' things such as quantities, structured values, etc.",
      "$ref": "schema:Intangible"
    }
  ],
  "properties": {
    "hostingOrganization": {
      "description": "The Organization (airline, travelers' club, retailer, etc.) the membership is made with or which offers the  MemberProgram.",
      "$ref": "schema:Organization"
    },
    "member": {
      "description": "A member of an Organization or a ProgramMembership. Organizations can be members of organizations; ProgramMembership is typically for individuals.",
      "oneOf": [
        {
          "anyOf": [
            { "$ref": "schema:Organization" },
            { "$ref": "schema:Person" }
          ]
        },
        {
          "type": "array",
          "items": {
            "anyOf": [
              { "$ref": "schema:Organization" },
              { "$ref": "schema:Person" }
            ]
          }
        }
      ]
    },
    "members": {
      "description": "A member of this organization.",
      "oneOf": [
        {
          "anyOf": [
            { "$ref": "schema:Organization" },
            { "$ref": "schema:Person" }
          ]
        },
        {
          "type": "array",
          "items": {
            "anyOf": [
              { "$ref": "schema:Organization" },
              { "$ref": "schema:Person" }
            ]
          }
        }
      ]
    },
    "membershipNumber": {
      "description": "A unique identifier for the membership.",
      "oneOf": [
        { "type": "string" },
        { "type": "array", "items": { "type": "string" } }
      ]
    },
    "membershipPointsEarned": {
      "description": "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.)",
      "anyOf": [{ "type": "number" }, { "$ref": "schema:QuantitativeValue" }]
    },
    "program": {
      "description": "The [MemberProgram](https://schema.org/MemberProgram) associated with a [ProgramMembership](https://schema.org/ProgramMembership).",
      "$ref": "schema:MemberProgram"
    },
    "programName": {
      "description": "The program providing the membership. It is preferable to use [:program](https://schema.org/program) instead.",
      "type": "string"
    }
  }
}