Bulk Export Job Fails with 422 Unprocessable Entity for Digital Channels

{"error_code": "validation_error", "message": "Filter criteria invalid for channel type"}

Trying to export WhatsApp and Web Chat recordings for a legal hold. The API rejects the filter when channel_type is set to digital. Using the Recording API v2.5. Is digital a valid enum value for bulk export filters, or do we need to specify webchat and whatsapp separately? Payload below:

{
 "date_from": "2023-10-01T00:00:00Z",
 "date_to": "2023-10-31T23:59:59Z",
 "filter": {
 "channel_type": "digital"
 }
}