how to attach customer name / code to customer invoice posting analysis

Hi,

is it correct, that you would like to have the customer information on one of the codeparts that you named customer? What would is the purpose for adding the name?

Customer/Supplier ID and name as well as the invoice ID are part of the transactions in GL if a voucher for an invoice is created. I recommend to take this into consideration before placing redundant information in two codeparts (F-Customer and G-Supplier) 

Pretty often something similar is used, if it comes to Intercompany transactions and supporting eleminations during consolidation.

In case you would like to stick to this approach in the codepart all Customer/Suppliers need to be setup. Manual preposting the customer order is one way to pass the information without involving posting control details. Depending on your IFS Cloud Release a BusinessProcessAutomation (Configuration)  might help to fill the preposting id for the codepart customer/supplier ID if the information is the same Customer ID 12345 equals codepart F value 12345

Another one is to create a customer/Supplier statistic group for each  customer/supplier and connect it to the customer basic data (Order) information. Posting control M26 needs to be setup for the codepart and assign the customer/supplier statistic group to the codepart value 1:1.