To create a connect token its only required to be preauthorized to Pluggy's API with API KEY.
clientUserId: Provide this value for end-to-end traceability of your user's connection, you can send any reference for the user that you want to use, and it will be available for each item created on the Pluggy Connect Widget, that used this
webhookUrl: When providing this value, it works the same way as creating an item with
webhookUrlparameter. It will send all item events to that URL, besides the other webhooks configured at the client level.
When updating an item the
itemId must be provided to securitize the connection of the widget to that specific Item. A security error will be provided if it's not provided and the update won't be available.