To use Single Line Address on forms you will need to generate an API key from Google. This document will walk you through that process.
Navigate to https://cloud.com/console/google/maps-apis/overview and log into and create a Google Apps account.
After logging in you will need to create a new project or assign the key to an existing one. After creating or selecting your project, click on APIs & Services then Library under the Menu.
On the next
To restrict the key to your website/forms, select HTTP referrers under Application restrictions and add your website address under Website restrictions. This is where you would add your CharityEngine vanity subdomain (ex. give. donate. support. your organization domain) or https://web.charityengine.net if you are using our default webforms domain.
After saving your Credentials, copy the key on the next screen.
After copying your key, you can enter it into CharityEngine. After logging into CharityEngine, navigate to the Configuration section. Scroll down to the Data Enrichment section and select Google Maps.