A: Log in to Hostfully and on Integration Zone page
B: Toggle ON to enable ChargeAutomation. (agency level)
C: From above screenshot, click the Settings link. You now can enable to integration on property level. (below screenshot)
D: Next, click on the drop-down button.
E: Scroll down and copy Agency UID.
F: Paste copied Agency UID in ChargeAutomation.
This window will appear as soon as you complete registration with ChargeAutomation at (https://app.chargeautomation.com/register). It can be accessed also from the website via "Start for Free" button below.
Also, in above screenshot, there's an icon on the bottom left where you can reach out to ChargeAutomation support should there be any questions.