The function of the PIN: 

1. Verification Process Before executing a withdrawal
2. In approving batch disbursement
3. Approve refund credit card

How to set up/change the PIN:

1. Go to Setting Tab.
2. Click Your Profile.
3. In the Additional Security section, you will see the information and click the Change PIN.
4. After that, you need to input the OTP for authorization of change PIN.
5. If the process is successful then you will see the pop-up notification that PIN has been successfully changed/created.