Hi all,
This is my first attempt at creating a record via XRM.WebApi.CreateRecord.
Parent entity: kcw_segmentquote
Child entity: kcw_supplierquote
Other lookup: account
parentRecordId and guid both have valid values
I am trying to create a child record and populate the lookup to the parent entity as well as a lookup to the account entity.
Here is my code:

I have tried both plural and singular entity names.
I have also tried "_kcw_segmentquotelookup_value" and "_kcw_accountlookup_value".
Error message:
An undeclared property 'kcw_segmentquotelookup' which only has property annotations in the payload but no property value was found in the payload. In OData, only declared navigation properties and declared named streams can be represented as properties without values.
Any help you can provide is greatly appreciated.