To add the option for a user to choose a specific target campaign/fund for their donation, you will need to create a checkout field using WooCommerce Checkout Manager. Visit WooCommerce Settings -> Checkout -> Additional to create your field; then:
- create a select field type (this is very important), and give it an appropriate label
- create as many options within this field as you wish – one for each desired campaign/fund that you’d like the user to be able to support
- this field, once saved, can then be used within a donation block – the block will retrieve its label and options automatically once you have told it which field to use. You can see an example here: