Programmed withdrawals refers to withdrawals of funds on a regular basis, which may be monthly, quarterly etc.
As an RSA holder upon attaining retirement age or age 50 (whichever is later), you can request for the balance in your Retirement Savings Account to be paid out to you via programmed withdrawals.
You can also withdraw money from your Voluntary Contributions (VC) via programmed withdrawals. The withdrawals will however be subjected to Personal Income tax where it is made before the end of 5 years from the date the voluntary contribution was made.
Click here to learn more about the differences between programmed withdrawal and annuity.