On the overview page of your connected app, click Manage.

Scroll to the bottom of the list, and then click Save. Make sure that you replace the value for your-tenant with the name of your Azure AD B2C tenant. In the ACS URL field, enter the following URL. When using a custom domain, use the following format: In the Entity ID field, enter the following URL. Under Web App Settings, check the Enable SAML box. Under Basic Information, enter the required values for your connected app. On the Identity Provider page, select Service Providers are now created via Connected Apps. Under Select the certificate, select the certificate you want Salesforce to use to communicate with Azure AD B2C.On the left menu, under Settings, expand Identity, and then select Identity Provider.Set up Salesforce as an identity provider Set up a My Domain for your Salesforce organization.This article uses the Salesforce Lightning Experience. If you haven't already done so, sign up for a free Developer Edition account.If you haven't already done so, register a web application.Complete the steps in Get started with custom policies in Active Directory B2C.You enable sign-in by adding a SAML identity provider to a custom policy. This article shows you how to enable sign-in for users from a Salesforce organization using custom policies in Azure Active Directory B2C (Azure AD B2C). If you've not done so, learn about custom policy starter pack in Get started with custom policies in Active Directory B2C. For most scenarios, we recommend that you use built-in user flows.

In Azure Active Directory B2C, custom policies are designed primarily to address complex scenarios.

Set up ant for salesforce