Hi there,
Glad to have you join the Community. I'll be happy to guide you in the right direction so you can record the e-transfer payment with ease.
Entering transactions the right way is essential for ensuring your books remain accurate. I recommend consulting an accounting specialist for expert advice as this also ensures your entries are recorded correctly. You can get in touch with an accounting professional using this link here. Other accounting professionals are able to see this post in the Community and this will allow them to chime in. In the meantime, here's a helpful article that shows you how to: Create journal entries in QuickBooks Online.
Let me know if this info helps. I'm here to steer you in the right direction.