This article is dedicated to my colleague Andrew Nearness This example shows how to create a "Simple and create Detail - Tree" Form This is the result we want to obtain First create Extended data types Al0VendorActivityId of type Int64 Al0VendorActivityName of type String Al0VendorActivityHierarchyId of type Int64 Then create "Al0VendorActivity" table Add these fields … Continue reading AX – D365FO – Create a Simple and Detail – Tree Form