redirect to custom URL after authentication on Supplier Portal

Summary: need to leverage Oracle Supplier user authentication and redirect to different website after supplier user is authenticated

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currently have 2 distinct website for supplier user base: one native Oracle Supplier Portal and one is customized inhouse built portal

Don't want to have manage 2 user bases separately. So curious if there is way to use Oracle Supplier user base for both portals.

For example, custom built role associated to supplier user account that triggers automatic redirect to inhouse custom portal after authentication

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