{
  "Name": "CustomDataPart",
  "Base": "OpenXmlPart",
  "ContentType": "application/binary",
  "RelationshipType": "http://schemas.microsoft.com/office/2007/relationships/customData",
  "Target": "customData",
  "Paths": {
    "General": "customData"
  },
  "Version": "Office2010"
}