{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/microsoft.graph.fileAttachment", "title": "microsoft.graph.fileAttachment", "allOf": [ { "$ref": "#/components/schemas/microsoft.graph.attachment" }, { "title": "fileAttachment", "required": [ "@odata.type" ], "type": "object", "properties": { "contentBytes": { "type": "string", "description": "The base64-encoded contents of the file.", "format": "base64url", "nullable": true }, "contentId": { "type": "string", "description": "The ID of the attachment in the Exchange store.", "nullable": true }, "contentLocation": { "type": "string", "description": "Don't use this property as it isn't supported.", "nullable": true }, "@odata.type": { "type": "string", "default": "#microsoft.graph.fileAttachment" } } } ], "x-ms-discriminator-value": "#microsoft.graph.fileAttachment" }