Data Transformation Engine Design Studio Tutorial

Chapter 12 - Mapping Optional Inputs Component Ranges
Design Studio Tutorial
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The Human component of State is optional. Define the component range of (0:1)
to indicate a minimum of zero occurrences and a maximum of one occurrence of
this data.
The components of the Human group type are also optional. Indicate these as
optional components.
In the input data, optional components may not be present.