![Cacti 0.8 Beginner's Guide](https://wfqqreader-1252317822.image.myqcloud.com/cover/52/34852052/b_34852052.jpg)
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- Click on Add at the top right of the Tree Items table.
- Select Header as the Tree Item Type.
- Enter Country A as the title.
- Click on the Create button.
- Click on the (Add) link next to the new Country A entry.
- Keep the Parent Item to Country A and the Tree Item Type to Header.
- Enter Site A as the title.
- Click on the Create button.