Show Internal ID of the Sales Order record where the Invoice is created from

Scenario: Customer would like to create a custom field that will show the Internal ID of the Sales Order in the Invoice Record

Steps to Reproduce:
1.Using the Administrator role, navigate to Customization > Lists, Records, & Fields > Transaction Body Fields > New. Add a Label

2. Set the following settings:

• Type = Free-form Text
• Store Value = F
• Applies To = Sale
• Display > Subtab = Main
• Validation & Defaulting = Formula = T; Default Value = {createdfrom.id}
  

3. Click Save and open an existing Invoice record where internal ID will show