Discord/Zapier member roles

I am trying to add / remove a discord user role each time a ghost user is updated. Their email can be different on discord and ghost.

I have set up the functionality to “Verify” that they are actually a subscriber by having them send their email address into the discord server, looking a user up and running an action to add a label of “DiscordVerified”.

Now I need to keep track of the users DiscordID within labels, is there a specific structure to use or query upon running an action?

I am using Ghost Pro, with Zapier and Discord.