{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/google-cloud-data-catalog/refs/heads/main/json-schema/google-cloud-data-catalog-entry-schema.json",
  "title": "Google Cloud Data Catalog Entry",
  "description": "Represents a data catalog entry, which is a metadata record for a data resource such as a BigQuery table, Pub/Sub topic, or Cloud Storage fileset.",
  "type": "object",
  "properties": {
    "name": {
      "type": "string",
      "description": "Output only. The resource name of the entry."
    },
    "linkedResource": {
      "type": "string",
      "description": "The resource this metadata entry refers to."
    },
    "fullyQualifiedName": {
      "type": "string",
      "description": "Fully qualified name of the resource."
    },
    "type": {
      "type": "string",
      "enum": [
        "ENTRY_TYPE_UNSPECIFIED",
        "TABLE",
        "MODEL",
        "DATA_STREAM",
        "FILESET",
        "CLUSTER",
        "DATABASE",
        "DATA_SOURCE_CONNECTION",
        "ROUTINE",
        "LAKE",
        "ZONE",
        "SERVICE"
      ],
      "description": "The type of the entry."
    },
    "displayName": {
      "type": "string",
      "description": "Display name of the entry."
    },
    "description": {
      "type": "string",
      "description": "Entry description that can include rich text."
    },
    "schema": {
      "type": "object",
      "description": "Schema of the entry, such as columns in a table.",
      "properties": {
        "columns": {
          "type": "array",
          "items": {
            "type": "object",
            "properties": {
              "column": {
                "type": "string",
                "description": "Column name."
              },
              "type": {
                "type": "string",
                "description": "Type of the column."
              },
              "description": {
                "type": "string",
                "description": "Description of the column."
              },
              "mode": {
                "type": "string",
                "enum": ["MODE_UNSPECIFIED", "NULLABLE", "REQUIRED", "REPEATED"],
                "description": "A column mode indicates whether values are required, nullable, or repeated."
              }
            }
          }
        }
      }
    },
    "sourceSystemTimestamps": {
      "type": "object",
      "description": "Timestamps from the underlying source system.",
      "properties": {
        "createTime": {
          "type": "string",
          "format": "date-time"
        },
        "updateTime": {
          "type": "string",
          "format": "date-time"
        },
        "expireTime": {
          "type": "string",
          "format": "date-time"
        }
      }
    },
    "integratedSystem": {
      "type": "string",
      "description": "Output only. The source system of the entry."
    },
    "userSpecifiedSystem": {
      "type": "string",
      "description": "Custom source system that user specified."
    }
  },
  "required": ["type"]
}