In your Kounta Portal, you may create payment types to assign to the different online ordering channels. This is where your revenue from the online order will be booked; which may help with categorising your revenue reports.
View this article from Kounta on how to create new payment types.
Once this is successfully created, you may view and assign these payment types to your online channels.
Step 1. Edit your online channel (in this case DoorDash)
Step 2. Click and assign. a payment type of your choice; either newly created or existing.
Step 3. Hit the SAVE button and you have successfully assigned your payment type for this particular channel. To apply following, replicate the same steps across your desired online channels.