Liferay assign role to user by Groovy script / Programmatically

AddUserRole.groovy

import com.liferay.portal.kernel.model.User
import com.liferay.portal.kernel.service.UserLocalServiceUtil
import com.liferay.portal.kernel.service.RoleLocalServiceUtil
import com.liferay.portal.kernel.model.Role

try{
	
  //123456 - here you have to pass userId
  //11111 - CompanyId
  User user = UserLocalServiceUtil.getUser(123456);
  Role liferayRole = RoleLocalServiceUtil.fetchRole(11111, "Administrator");
  RoleLocalServiceUtil.addUserRole(user.getUserId(), liferayRole.getRoleId());
  UserLocalServiceUtil.updateUser(user);

}catch(e) {
  out.println(e);
}