From ESOUI Wiki
Returns: string:nilable action, string:nilable name, bool interactBlocked, integer additionalInfo, integer:nilable contextualInfo
interactBlocked becomes true after looting the Object. That object will not be available for an unknown amount of time.
- 0 when player's reticle isn't hovering over an object
- 1 when player's reticle is hovering over a normal, unblocked object
- 2 after player loots an object and interactBlocked becomes true
- 3 if the Object is a fishing node