AX / Dynamics 365 For Finance and Operations blog

First create a new Table “Al0VendorSearchCriteria”

• AccounNum is take from VendTable.accountNum
• StatesId is of type Int64
• Al0VendorActicivityId is of type Int64 (taken from another custom table that could be seen in my article : https://d365ffo.com/2021/07/04/ax-d365fo-create-a-simple-and-detail-tree-form/

Create a relation betewwn Al0VendorSearchCriteria and Al0Activity

Create Extended datat types for the 2 fields

Create a new form of type Simple and Details w/standard Tabs

Start create third tab

Add data source Al0VendorSearchCriteria