Frontegg login box supports pre-filling a user's email that is being sent from another custom form or page via
login_hint query param. If a
login_hint is being sent to the login box - it will automatically trigger the next action, such as sending the magic code, redirecting the user to SSO or showing the password field - depending on the user's login method.
To implement this, append
login_hint at the end of the login URL with the user's email URL encoded.
login_hint is supported with Frontegg embedded login from the below versions: