Request body schema for POST v1/customers/metadata/async.
| Name | Type | Description | Notes |
|---|---|---|---|
| source_ids | List[str] | An array of customer `source_id`'s. | [optional] |
| metadata | object | Metadata key value pairs to be updated. A set of custom key/value pairs that you can attach to a customer. The metadata object stores all custom attributes assigned to the customer. It can be useful for storing additional information about the customer in a structured format. This metadata can be used for validating whether the customer qualifies for a discount or it can be used in building customer segments. | [optional] |