Sync existing User with Gocardless

I have customers who exist in InvoiceNinja and have registered with GoCardless via a direct link.
However, the link to GoCardless is not displayed in InvoiceNinja. Is it possible to connect the two accounts GoCardless and InvoioceNinja


This post may help:

@david this request comes up fairly often, it’d be great if we could expose this functionality in the UI for supported gateways.

Hello, I try this way but I think this will not match existing Clients in the App…