Optional
methodArgs: {Checks if an active Cart exists. Returns a 200 OK
status if successful.
A [ResourceNotFound](ctp:api:type:ResourceNotFoundError) error is returned in the following scenarios:
- If no active Cart exists.
- If an active Cart exists but does not have a `customerId` that matches the [customer:{id}](/scopes#composable-commerce-oauth) scope, or an `anonymousId` that matches the [anonymous_id:{id}](/scopes#composable-commerce-oauth) scope.
Optional
methodArgs: { headers?: { [key: string]: string | string[] } }
Retrieves the Customer's most recently modified active Cart. Returns a
200 OK
status if successful.