A custom Transporter ID field is required to be pulled into the Manage Billing Document screen

[SAPSupport]

In some cases, the Transporter ID is represented for the Courier partner, so Business wanted the transport id should be mapped in Invoice so that it can generate IRN , E-way Bill . Currently, the client enters the Transporter ID manually in Invoice . However, the client would like this field to be available directly in the Manage Billing Document screen for specific customers, so they do not have to enter it manually each time.

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[SAPSupport · Accepted solution]

You can add custom fields directly in Manage Billing Documents apps. 

To understand how to use this functionality, you might refer to:

• App Extensibility: Manage Billing Documents