Pre Authourize Lambda or Hook
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 Hi, Is there a way to run a lambda prior to the /authorize request redirecting the user to the login page. I want to omit the tenant_id from the authorize request and look it up dynamically (based on a hostname param passed in the request) and add it to the request. Basically it's a tenant_id lookup. Is this possible? Thank you, 
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 @depth9mcd This is typically accomplished using a proxy (Apache, NGINX, etc) in front of FusionAuth. https://fusionauth.io/docs/v1/tech/admin-guide/proxy-setup#proxies-and-tenants has more details. However, please feel free to file a feature request with your suggestion for a lambda to run before the authorize page is rendered: https://github.com/fusionauth/fusionauth-issues/issues 
