The first step is to populate payment methods for your members to choose from. You can add manual payment methods by going to Setup » Automated Payments » Add Payment Method » Add Manual Payment Methods.
You can add automated payment methods, such as credit cards or direct debit by going to Setup » Automated Payments » Add Payment Method and choosing from the list of existing integrations. You can read more on what options are available in our 'Credit Cards & Direct Debit' guide.
When a member logs in, they can visit Membership and select their payment method like below:
Here is what the check payment screen looks like:
Here is what the cash payment screen looks like:
Here is what the credit/debit card screen looks like:
You can now enable the payment requirement feature by going to Customize » Features » Payments and click on 'Activate' next to "All members must set up payment method."
Once this setting is activated, new members won't be able to do anything within their member portal until they have added a payment method.
If your space uses Adyen, your members will need to complete an additional verification step and will see the screen below:
If you made this payment requirement after members have already signed up, you might want to send them a message.