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• Azure Digital Twins have a maximum size of 32K. Therefore UDTs which exceed that limit will result in the Digital Twin not being created in Azure.
• UDT Tag and Property names that result in creating Azure Digital Twin Measurements and Attributes name, you must follow the regex expression pattern
  • ^[a-zA-Z](?:[a-zA-Z0-9_]*[a-zA-Z0-9])?$ (for more information on regex expression patterns go to https://regexr.com)

Nested/Hierarchical User Defined Types (UDTs)

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