{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://adcontextprotocol.org/schemas/3.2.5/core/installment-property-delivery-metrics.json",
  "title": "Installment Property Delivery Metrics",
  "description": "Delivery metrics at the intersection of one installment and one publisher property. The property operational key is (publisher_domain, identifier.type, identifier.value). This row proves where a specific airing, episode, issue, or programming block delivered; independent by_installment and by_property marginals do not.",
  "x-adcp-validation": {
    "verifier_constraints": {
      "property_domain_consistency": "property_ref.publisher_domain MUST equal publisher_domain when property_ref is present"
    }
  },
  "allOf": [
    {
      "$ref": "https://adcontextprotocol.org/schemas/3.2.5/core/delivery-metrics.json"
    },
    {
      "type": "object",
      "properties": {
        "installment_ref": {
          "$ref": "https://adcontextprotocol.org/schemas/3.2.5/core/installment-ref.json"
        },
        "installment_name": {
          "type": "string",
          "description": "Current human-readable installment name. Convenience metadata only."
        },
        "scheduled_at": {
          "type": "string",
          "format": "date-time",
          "description": "Convenience echo of the installment's scheduled publication or air time."
        },
        "publisher_domain": {
          "type": "string",
          "pattern": "^[a-z0-9]([a-z0-9-]*[a-z0-9])?(\\.[a-z0-9]([a-z0-9-]*[a-z0-9])?)*$",
          "description": "Publisher or platform authority that namespaces the property identifier, including for an unregistered surface."
        },
        "identifier": {
          "$ref": "https://adcontextprotocol.org/schemas/3.2.5/core/identifier.json",
          "description": "Operational identity of the property that delivered the installment."
        },
        "property_ref": {
          "$ref": "https://adcontextprotocol.org/schemas/3.2.5/core/property-ref.json",
          "description": "Canonical publisher-scoped catalog identity when available. Its publisher_domain MUST equal the row's publisher_domain."
        },
        "property_name": {
          "type": "string",
          "description": "Current human-readable property name. Convenience metadata only."
        }
      },
      "required": [
        "installment_ref",
        "publisher_domain",
        "identifier",
        "impressions",
        "spend"
      ]
    }
  ]
}