To be fair - it's unclear - when should we use Azure Digital Twins and Azure Smart Spaces API?
When I will write a guide/instructions for our DevOps people or Global Admins - I should specify exact application name not try this one or try another one. It will not work for big organizations.
Current notes and "explanations" are not enough

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Thanks for the feedback and bringing this to our notice . At this time we are reviewing the feedback and will update the document as appropriate .
Related to https://github.com/MicrosoftDocs/azure-docs/issues/39230
@SychevIgor Thanks for the feedback! I have assigned the issue to the content author to evaluate and update as appropriate.
Could you specify in a documentation that "The two most common are: Azure Digital Twins (external to Microsoft) and Azure Smart Spaces Service (Microsoft)." (C)
@SychevIgor - I've gone ahead and updated the documentation to more clearly explain which AAD API ID one should search for. External accounts should search for Azure Digital Twins. Test accounts should search for Azure Smart Spaces Services. Thank you!
@KingdomOfEnds "External" , to be fair, it's not the best way to say- "Non-Microsoft". "External" sounds to "MicrosoftCentric/egoistic".
Of course it's just my personal opinion as an external developer
The Azure AD API name and ID that will appear in your Azure account depends on the tenant to which you belong:
Azure Digital Twins.Azure Smart Spaces Service.@SychevIgor , @Alberto-Vega-MSFT - I wanted to verify that the issue had been addressed. Thanks!