{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/azure-ad/json-schema/azure-ad-microsoft-graph-attachment-schema.json",
  "title": "microsoft.graph.attachment",
  "x-generated": "2026-11-05",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/azure-ad-groups-conversation-api-openapi.yml#/components/schemas/microsoft.graph.attachment",
  "allOf": [
    {
      "$ref": "#/$defs/microsoft.graph.entity"
    },
    {
      "title": "attachment",
      "type": "object",
      "properties": {
        "contentType": {
          "type": [
            "string",
            "null"
          ],
          "description": "The MIME type."
        },
        "isInline": {
          "type": "boolean",
          "description": "true if the attachment is an inline attachment; otherwise, false."
        },
        "lastModifiedDateTime": {
          "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
          "type": [
            "string",
            "null"
          ],
          "description": "The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z",
          "format": "date-time"
        },
        "name": {
          "type": [
            "string",
            "null"
          ],
          "description": "The attachment's file name."
        },
        "size": {
          "maximum": 2147483647,
          "minimum": -2147483648,
          "type": "number",
          "description": "The length of the attachment in bytes.",
          "format": "int32"
        }
      },
      "additionalProperties": {
        "type": "object"
      }
    }
  ],
  "$defs": {
    "microsoft.graph.entity": {
      "title": "entity",
      "type": "object",
      "properties": {
        "id": {
          "type": "string",
          "description": "The unique identifier for an entity. Read-only."
        }
      },
      "additionalProperties": {
        "type": "object"
      }
    }
  }
}