{
  "Type": "AWS::SSM::Association",
  "Properties": {
    "Name": {
      "Ref": "document"
    },
    "Parameters": {
      "Directory": ["myWorkSpace"]
    },
    "Targets": [{
      "Key": "InstanceIds",
      "Values": [{
        "Ref": "myInstanceId"
      }]
    }]
  }
}