Step 1 – Go to Matomo’s Custom Dimensions settings

- Visit Matomo dashboard
- Go to the Administration area (cog icon in the top menu)
- Open “websites” > “custom dimensions”
- Add your custom dimensions either in the “Visit” or “Action” section (depending on the information provided in the Matomo’s settings panel in WP Full Picture’s)
Step 2 – Add a custom dimension

- Give a new dimension a name and click “active” but do not set “extract value”
- Save changes
Step 3 – Find the dimension’s index number


- Click an icon to edit the custom dimension you have just created
- Scroll down the page and look for a piece of code with information with the ID of your dimension, e.g.
_paq.push(['setCustomDimension', 1, 'dimensionValue']);
- Paste the ID into the correct settings field in the WP Full Picture settings