- Add a Custom Field into Hubspot
- Go into Settings/Data Management/Properties : https://app-eu1.hubspot.com/property-settings/25365530/properties?type=0-1

- Click on “Create Property”

- Select the Object “Deal”, Pick a Group, and give it a label

- Make a note of the internal Name which you can access by clicking </>

In the above example, the Internal name is jf_forecast_status
- Click “Next”
- Select “Single Line Text” in the drop-down

- Click “Next”.
- Click “Create”

- Repeat the process with:
- Object Type → Deal
- Label → “JF Percentage Complete” Internal name → jf_percentage_complete
- Field Type → Number