How do I sync my Xero HQ contacts?

From the Settings page, click on Linked Accounts. Connect BOMA to Xero HQ.

You'll be taken to Xero HQ to authenticate your account.

On your automatic return to BOMA, you'll be presented with a request to sync your Xero HQ contacts.

Depending on the number of contacts you have in Xero HQ this could take from a few seconds to several minutes.

On successful completion of your sync go to the Contacts page to view your newly added contacts.

The sync automatically runs every 24 hours. 

Further Reading:

How do I Import Contacts from Xero HQ

How do I import my clients from Xero HQ?

How do I sync BOMA with Xero HQ if I don’t have the Xero HQ login?

How regularly does BOMA sync with Xero HQ?

How secure is my Xero Data when I sync BOMA and my Xero HQ account?