The phrase "one's own discretion" means making a decision or judgment based on your own understanding, without relying on others to tell you what to do. Full definition
Work on support tickets, maintenance tasks and assigned projects at discretion of the Reporting Coordinator. (jobhero.com)
Which is hilarious if you know me, because now I talk about all the time and do it everywhere without a cover or any real attempt at discretion, without a second thought. (organicbabyatlanta.com)
All information and offers are subject to change in the sole discretion of management. (mgmresorts.com)