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The section on managed identity doesn't show blob
https://docs.microsoft.com/en-us/azure/logic-apps/logic-apps-securing-a-logic-app#add-authentication-to-outbound-calls
But https://docs.microsoft.com/en-gb/azure/active-directory/managed-identities-azure-resources/services-support-managed-identities says blob does support it ?
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Hi @steveculshaw,
The table in the Add authentication to outbound calls section section doesn't include Storage blobs or queues because the Storage connector doesn't have the option for you to select an authentication type, for example:

Instead, the table lists those triggers and actions where you can select an authentication type, such as Managed Identity:

Currently, managed identity support in Logic Apps is available only for the listed built-in triggers and actions, not managed connectors such as Azure Storage. If you want to use a managed identity when connecting from a logic app to a Storage blob or queue, you need to use one of the listed triggers or actions. You also need to specify the URI and Audience properties with the values for the Storage blob or queue:

I'm clarifying the text in this section about what the table describes:

I hope this explanation helps answer your question.
@mike-urnun-msft: #please-close
@ecfan Ah ha ... got ya. Many thanks for the excellent explanation
Most helpful comment
Hi @steveculshaw,
The table in the Add authentication to outbound calls section section doesn't include Storage blobs or queues because the Storage connector doesn't have the option for you to select an authentication type, for example:
Instead, the table lists those triggers and actions where you can select an authentication type, such as Managed Identity:
Currently, managed identity support in Logic Apps is available only for the listed built-in triggers and actions, not managed connectors such as Azure Storage. If you want to use a managed identity when connecting from a logic app to a Storage blob or queue, you need to use one of the listed triggers or actions. You also need to specify the URI and Audience properties with the values for the Storage blob or queue:
I'm clarifying the text in this section about what the table describes:
I hope this explanation helps answer your question.