Debit Direct is a PostFinance service. The only requirement to activate direct debit is a Swiss PostFinance account in CHF. Direct Debit with bank accounts is not supported. The service is free of charge and can be revoked anytime.
Please follow the directions in your profile and send the completed and signed form to:

Cashare AG
Bösch 73
6331 Hünenberg

Cashare will then take the necessary steps in order for your payments to be deducted automatically from your account.