Getting LLM's to correctly write Microsoft Graph code for Exchange Online that uses singleValueExtendedProperties

Getting an LLM to correctly write Microsoft Graph code for Exchange Online that uses singleValueExtendedProperties is notoriously hit-or-miss Even as models improve and context windows grow and AI gets smarter, the legacy quirks of these properties usually derail the generator—skewing the output into either hallucinated or inefficient logic or broken syntax.