In that example, ZO_ReticleContainerInteract is the target, SetHandler is being executed on it and adding a function on show. The function is grabbing the data from GetGameCameraInteractableActionInfo() which is shown in the ESO API:
Returns: string:nilable action, string:nilable name, boolean interactBlocked, boolean isOwned, number additionalInfo, number:nilable contextualInfo, string:nilable contextualLink, boolean isCriminalInteract
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