How do I show validation errors to users?

The skill demonstrates using the WebJobsShowValidationError action to return specific error messages to the user interface during registration.

Does it support the Azure Functions Isolated Worker model?

Yes, the skill includes configuration examples for setting up the host and worker model required for modern .NET Azure Functions.

What events are supported by this skill?

The skill supports the core Entra events: OnTokenIssuanceStart, OnAttributeCollectionStart, OnAttributeCollectionSubmit, and OnOtpSend.

Can I fetch claims from an external database?

Yes, it includes specific workflows for fetching user data from external APIs or databases to enrich the token during the sign-in process.

Is this compatible with Azure AD B2C?

Absolutely. It is designed for Microsoft Entra ID custom extensions, which are the standard method for extending B2C and CIAM user flows.

Azure Entra ID Auth Events for .NET

Name: Azure Entra ID Auth Events for .NET
Author: sickn33

bysickn33

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31,721

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Cloud Infrastructure

Implements custom authentication logic and token enrichment for Microsoft Entra ID using .NET Azure Functions.

This skill provides standardized implementation patterns for the Microsoft Entra Authentication Events SDK in .NET, enabling developers to customize the identity lifecycle. It allows for the injection of custom claims into tokens, UI customization for attribute collection, and the delivery of one-time passwords through external providers. Ideal for developers building complex identity solutions, it streamlines the integration of external data sources into the authentication flow and ensures secure, validated user registration processes within the Microsoft ecosystem.

Key Features

01Validation and modification of user-submitted attributes

02External data enrichment via API and database integration

0331,721 GitHub stars

04Custom UI logic for attribute collection pages

05Extensible OTP delivery workflows for custom MFA

06Custom claim injection during token issuance

Use Cases

01Blocking specific email domains or verifying user identity during B2C registration

02Delivering custom OTP messages via Twilio or Azure Communication Services

03Injecting organizational metadata from legacy databases into Entra ID tokens

Key Features

01Validation and modification of user-submitted attributes

02External data enrichment via API and database integration

0331,721 GitHub stars

04Custom UI logic for attribute collection pages

05Extensible OTP delivery workflows for custom MFA

06Custom claim injection during token issuance

Use Cases

01Blocking specific email domains or verifying user identity during B2C registration

02Delivering custom OTP messages via Twilio or Azure Communication Services

03Injecting organizational metadata from legacy databases into Entra ID tokens