Type String Revision 2017.3060 Keywords steam, steamworks, appOwnerSteamId See also steamworks.userSteamId steamworks.*
The unique string ID of the user that purchased the application. This property will typically match the steamworks.userSteamId property unless the purchaser has logged out of the Steam client and has let someone else log in on the same machine.
This will be nil if the steamworks.isLoggedOn property is false, indicating the application is not currently connected to the Steam client.
local steamworks = require( "plugin.steamworks" ) print( "App Owner ID: " .. tostring(steamworks.appOwnerSteamId) )