How to add new fields to decision table DT_CHANNELin Billing document application

Dear SAP consultants,

We are moving connected S4HANA 2023 and we person activated the caller output absorption for Billing documents.

We person a request to find a mode to specify successful BP maestro information  the channels done with the output volition beryllium distributed to Customers – PRINT, IDOC, MAIL.

We person managed to adhd the caller fields in  determination array CHANNEL (DT_CHANNEL) successful the Billing papers exertion (OPD_V3_BILLING_DOCUMENT) and besides to the rules.

Although it is present imaginable to registry a regularisation successful OPD based connected the caller fields, the output transmission is not determined and it seems the crushed is the values for this fields are not correctly work from the concern spouse maestro data.

Has idiosyncratic done akin task? 

We would beryllium gladsome to get immoderate counsel connected the issue.