1. SAP Help Portal - SAP LeanIX Application Portfolio Management: In the section describing how to manage data
the documentation explicitly states: "To add a relation
go to the corresponding relation field... If the Fact Sheet you want to link to does not exist yet
you can create it on the fly. Simply type the name of the new Fact Sheet and click on the Create option."
Source: SAP Help Portal
SAP LeanIX
User and Administration Guide
"Working with Fact Sheets"
subsection "Create Relations".
2. SAP Learning - LIXFND SAP LeanIX Foundation Courseware: The foundational training materials for SAP LeanIX introduce core concepts for users. The module on "Fact Sheet Fundamentals" demonstrates the process of creating a new Fact Sheet from within an existing one as a key efficiency feature
referring to it as on-the-fly creation.
Source: SAP Learning Hub
Course LIXFND
Unit: "Working with Fact Sheets".