SaveUnknown on Deeply Nested Attributes

[rphmee-lo]

I have a schema that nests several layers deep. It goes SchemaA has Object{SchemaB} > Array[SchemaC] > Object{SchemaD) > Object Attribute.

I'm having trouble figuring out how to set up the saveUnknown option to allow for ONLY this attribute to save unknown. So far the best I've gotten is to add the saveUnknown property to SchemaA as saveUnknown: [Object{SchemaB}.Array[SchemaC].** but that allows unknown properties on everything in SchemaC and below.

Here's the trimmed down set of schemas I'm working with:

const textSchema = new dynamoose.Schema({
  Translations: {
    type: Object,
  },
})

const customFieldSchema = new dynamoose.Schema({
  Label: {
    type: Object,
    schema: textSchema,
    required: true,
  }
}

const schema = new dynamoose.Schema(
    CustomFields: {
      type: Object,
      schema: {
        Id: { type: String },
        Fields: {
          type: Array,
          schema: [customFieldSchema],
        },
      },
    },
  },
  {
    saveUnknown: ['CustomFields.Fields.**'],
    timestamps: {
      createdAt: 'CreatedAt',
      updatedAt: 'UpdatedAt',
    },
  }
)

The goal is to allow saveUnknown on the Translations attribute and only that attribute. I've tried adding saveUnknown to textSchema but nothing was getting saved. I've tried adding a long chain all the way down to Translations on the top level schema as well as some variations in between.

Any ideas?