Hello Experts,
I have a power apps portal application, In which I need to introduce external sign-in functionality using Azure AD B2C.
for that, I have gone through one of the Microsofts solutions in the given link below.
https://docs.microsoft.com/en-us/powerapps/maker/portals/configure/use-simplified-authentication-configuration#configure-the-azure-active-directory-b2c-provider
In that link, they have mentioned clicking on the Authentication Settings to get a list of supported identity providers.
but I can't see that section in my portal settings. please check the below screenshot.

I want to see that authentication setting section in the portal settings, or
Please let me know what are all the best possible ways to achieve, External Microsoft users to sign in to my portal using External sign in.
any kind of help is really appreciable.
Regards,
Pranesh