Pre-requisite: GHL Profile/Location Integration
Currently, newly added tags in GHL do not automatically sync to the Dialer after the initial setup. Thus, before assigning new tags to the leads in GHL, it is imperative to sync them first to the Dialer. Refer to the steps below.
Navigate to Contact > Tags. Then, select the desired GHL subaccount/location and click the "Sync Tags" button.
Related Article: Sync Leads: What do you need to know?