Type String Revision 2018.3333 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) )