{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://meta-universe.org/schemas/2.0/object.schema.json",
  "title": "MUIF Object",
  "description": "A Meta-Object: a Semantic Point of Truth (see 04-core-concepts/Object.md).",
  "type": "object",
  "required": ["muifType", "id", "csn", "kind", "provenance"],
  "additionalProperties": false,
  "properties": {
    "muifType": { "const": "Object" },
    "id": { "$ref": "common.schema.json#/$defs/identifier" },
    "csn": { "$ref": "common.schema.json#/$defs/csn" },
    "canonicalIdentity": { "$ref": "common.schema.json#/$defs/canonicalIdentity" },
    "displayName": { "type": "string", "description": "Human label. NON-SEMANTIC: excluded from the fingerprint." },
    "description": { "type": "string", "description": "NON-SEMANTIC: excluded from the fingerprint." },
    "kind": { "type": "string", "enum": ["Entity", "Value", "Abstract", "Agent", "Resource"], "description": "Object category." },
    "namespace": { "$ref": "common.schema.json#/$defs/csn" },
    "lifecycleState": { "$ref": "common.schema.json#/$defs/lifecycleState" },
    "provenance": { "$ref": "common.schema.json#/$defs/provenance" },
    "properties": {
      "type": "array",
      "description": "Semantic properties of the object (treated as a set for fingerprinting).",
      "items": {
        "type": "object",
        "required": ["name", "valueType"],
        "additionalProperties": false,
        "properties": {
          "name": { "$ref": "common.schema.json#/$defs/csn" },
          "valueType": { "type": "string", "description": "A primitive type (string, integer, boolean, decimal, dateTime) or a CSN referencing another object." },
          "required": { "type": "boolean", "default": false },
          "multiplicity": { "$ref": "common.schema.json#/$defs/cardinality" },
          "description": { "type": "string", "description": "NON-SEMANTIC." }
        }
      }
    },
    "imports": {
      "type": "array",
      "description": "CSNs of external concepts this object extends or maps to.",
      "items": { "$ref": "common.schema.json#/$defs/csn" }
    }
  }
}