Building the "Order Management" Training App : Adding a Calculated field

Prerequisite : The Supplier, Product, Client and Order objects are linked together

What is a Calculated field ?

A Calculated field, is a Field for which it's value is automatically calculated by the platform...Learn more

Adding a "Total" Calculated field to the Order Business object

The "Total" Calculated field will display the Order's total : Product price x Order quantity

Add the Product price Field to the Order Business Object

Start by adding the Product price field in the previously created "Product" Field Area :

1. In the Business objects > Business objects menu, open TrnOrder
2. Click Edit form on the Business object's form
3. Just like for adding a new Field, hover over the "Product" Field Area, and click the + button
4. Click Field
5. Open the Product panel, select Price and click Insert
   

   This view also allows to add multiple fields from other linked objects

Add the Total Field

1. Add a integer field to the TrnOrder Business object in the previously created "Order" Field Area

   For a detailed guide on how to add a field, see Getting started : Create field

2. Fill in the Field information like so :
   • Label : Total
   • Logical name : trnOrdTotal
   • Physical name : trn_ord_total
   • Updatable : Read only
     
3. Click on the field's label
   

   This opens the Field's definition

4. On the Field's form, click More
   
5. In the Expression tab fill in Calculated expression so :
   • [VALUE:trnPrdPrice]*[VALUE:trnOrdQuantity]
     
6. Click Save

Test the Calculated field with the usertest User

To test the Calculated field, follow the steps below :

1. Clear the platform's cache and log in using usertest

   For a detailed step-by-step, see : Testing the User

2. Open or create an order
3. Change the value in the Quantity field
4. Click Save

Success

Expected result :

The "Total" field is automatically updated