> For the complete documentation index, see [llms.txt](https://docs.3dolphins.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.3dolphins.ai/customer-service/tag-manager/edit-tag-module/add-sub-tag.md).

# Add Sub-Tag

When you want to add a sub-tag to a module, you can use the **Add Sub-Tag** feature by selecting the **'+Add Sub-Tag'** menu, as shown in the following image.

<figure><img src="/files/RiHsDmUoHW0dSuRBEmgl" alt=""><figcaption><p>Add Sub-Tag</p></figcaption></figure>

After successfully adding a sub-tag, you will see a success notification message, and the sub-tag will automatically appear under the parent tag module, as shown in the following image.

<figure><img src="/files/VcKY2gTOZ79s8O9UoJdD" alt=""><figcaption><p>New Sub-Tag</p></figcaption></figure>