{
  "context": "This criteria evaluates how well an engineer uses the google-shopping-merchant-conversions package to update conversion source configurations. The focus is on correct usage of the ConversionSourcesServiceClient, the update_conversion_source() method, and field mask operations for selective updates.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "Client Initialization",
      "description": "Correctly initializes ConversionSourcesServiceClient (or ConversionSourcesServiceAsyncClient) to interact with the API",
      "max_score": 15
    },
    {
      "name": "update_conversion_source() Usage",
      "description": "Properly calls the update_conversion_source() method with correct parameters including parent resource name and conversion source object",
      "max_score": 25
    },
    {
      "name": "Field Mask Construction",
      "description": "Correctly constructs and uses field_mask.FieldMask (or google.protobuf.field_mask_pb2.FieldMask) to specify which fields to update (e.g., 'merchant_center_destination.display_name', 'merchant_center_destination.currency_code', 'merchant_center_destination.attribution_settings.attribution_model')",
      "max_score": 30
    },
    {
      "name": "ConversionSource Object",
      "description": "Properly constructs or modifies ConversionSource object with the MerchantCenterDestination field populated with the fields being updated",
      "max_score": 20
    },
    {
      "name": "Resource Naming",
      "description": "Correctly formats resource names following the pattern 'accounts/{merchant_id}/conversionSources/{conversion_source_id}' for the name field",
      "max_score": 10
    }
  ]
}