createFileAttachment

mutation CreateFileAttachment($input: CreateFileAttachmentInput!) {
  createFileAttachment(input: $input) {
    fileAttachment {
      LastSessionId
      _AssetEntitiesCount
      _FileAttachmentEntitiesCount
      _created
      _etag
      _updated
    }
    uploadUrl
  }
}

{
  "input": {}
}

{
  "data": {
    "createFileAttachment": {
      "fileAttachment": {
        "LastSessionId": "string",
        "_AssetEntitiesCount": 1,
        "_FileAttachmentEntitiesCount": 1,
        "_created": "value",
        "_etag": "string",
        "_updated": "value"
      },
      "uploadUrl": "string"
    }
  }
}