Entity::setVariable
Function: Sets a custom data into an entity.
Syntax
entity.setVariable(name, value);
//best way is JSON object:
entity.setVariable({name: value});
Example
Server-Side
// Supposed you're trying to bind a vehicle to a player, you can do this:
let veh = mp.vehicles.new(vehName, player.position);
player.setVariable('veh', veh);
player.setVariable({
name: 'Player',
age: 20
});