Authentication

Login players across platforms

Authentication

Use EIK Login node in Blueprints.

Login Type	Platform
`Steam`	Steam client
`EpicGames`	Epic Games Launcher
`DeviceID`	Anonymous (mobile/testing)
`AccountPortal`	EOS account popup
`PersistentAuth`	Saved credentials

EIK Login
  LoginType = Steam
  → OnSuccess: Player logged in
  → OnFailure: Handle error

Try PersistentAuth first (saved session)
If fails, try platform login (Steam/EpicGames)
Fallback to DeviceID for anonymous

Get Player Info

After login:

Get Product User ID - EOS crossplay ID
Get Display Name - Player name
Get Platform - Steam/Epic/Console

Logout

Use EIK Logout node to clear session.

Setup

Configure EOS credentials

Crossplay Sessions

Create cross-platform sessions for dedicated server games with EOS backend

On this page

Authentication Login Node Basic Login (Steam)Auto-Login Flow Get Player Info Logout