D365FO – AX – Add new field to a Data Entity

Open AOT and search for data entity (for example “PurchPurchaseOrderHeaderV2Entity”)

Create an extension and add it to your project

Search your field in the data source table

Drag and drop your field from data source to Data Entity fields

Open AOT and search for data entity staging table (for example “PurchPurchaseOrderHeaderV2Staging”)

Create an extension and add it to your project

Add the field into Staging table fields.
You can add it by opening PurchTable extension and drag and drop the field to your staging table

Build the solution.

Alternatively you can update the staging table by opening the PurchPurchaseOrderHeaderV2Entity data entity and click on “Update Staging table”