- Categorizing: You can add the same tag to different kinds of resources. This lets you easily understand which resources are associated with which projects or teams.
- Filtering: You can filter the Flags list, environments list, and projects list by tag.
., underscores _, and dashes -. Tags are not case-sensitive. After you create a tag, you cannot delete it.
The following sections explain how to add tags to existing resources.
Flags
To add tags to a flag:- In the left sidebar, click Code. The CodeControl menu appears.
- Click Flags.
- Click on the name of the flag you want to add tags to. The flag’s Targeting tab appears.
- Click on the pencil icon in the “Tags” section of the right sidebar. The tags list appears.
- Create a new tag or select a tag from the list.
You can also use the REST API: Update feature flag
Filter the Flags list by tag
You can filter the Flags list by one or more tags. To filter your flags:- Click Filters.
- Select Add tag(s).
- Search for or select a tag from the list.
Segments
To add tags to a segment:- In the left sidebar, click Code. The CodeControl menu appears.
- Click Segments.
- Click on the name of the segment you want to add tags to. The segment’s Targeting page appears.
- Click on the pencil icon in the “Tags” section of the right sidebar. The “Choose tag(s)” list appears.
- Create a new tag or select a tag from the list.
You can also use the REST API: Patch segment
- Click on the gear icon in the segment’s right sidebar. The “Segment settings” page appears.
- Click on the x for the tag you want to remove.
- Click Save.
Metrics
To add tags to a metric:- Open the Data section and navigate to the Metrics list.
- Click on the name of the metric you want to add tags to. The metric details page appears.
- Click on the pencil icon in the “Tags” section of the right sidebar. The “Choose tag(s)” list appears.
- Create a new tag or select a tag from the list.
You can also use the REST API: Patch metric
Projects
To add tags to a project:- Click the project dropdown. The project menu appears:

The project menu.
- Select Project settings. The General list appears.
- Under Tags, click Add tags.
- A menu with the list of tags appears.
- To add existing tags to your project, check the checkbox next to one or more tags in the list.
- To add a new tag to your project, type the new tag into the search box. Then check the checkbox next to “Create new tag.”
You can also use the REST API: Update project
- Click the project dropdown. The project menu appears.
- Select Project settings. The General list appears.
- In the “Tags” section, click on the tag’s x.
Filter the projects list by tag
You can filter the projects list by tag. To filter your projects:- Click the gear icon in the left sidebar to view Organization settings.
- Click Projects.
- Select a tag to filter by from the Tags menu.
Environments
To add tags to an environment:- Click the project dropdown. The project menu appears:

The project menu.
- Select Project settings.
- Select Environments. The Environments list appears.
- Next to the environment you want to add tags to, click the three-dot overflow menu.
- Select Edit environment.
- Select or create a new Tag.
- Click Save environment.
You can also use the REST API: Update environment
- Click the project dropdown. The project menu appears.
- Select Project settings.
- Select Environments. The Environments list appears.
- Next to the environment you want to add tags to, click the three-dot overflow menu.
- Select Edit environment.
- In the Tags field, click on the tag’s x.
- Click Save environment.
Filter the environments list by tag
You can filter the environment list by tag. To filter your environments:- Click the project dropdown. The project menu appears:

The project menu.
- Select Project settings.
- Select Environments. The Environments list appears.
- Select a tag to filter by from the Tags menu.
Experiments
To add tags to an experiment or A/A test:- Navigate to the Experiments list.
- Click on the name of the experiment you want to add tags to. Depending on whether or not the experiment is running, the experiment’s Design or Results tab appears.
- Click on the pencil icon in the “Tags” section of the right sidebar. The tags list appears.
- Create a new tag or select a tag from the list.
Filter the Experiments list by tag
You can filter the Experiments list by one or more tags. To filter your experiments:- Click Filters.
- Select Add tag(s).
- Search for or select a tag from the list.
Multi-armed bandits
To add tags to a multi-armed bandit (MAB):- Navigate to the Multi-armed bandits list.
- Click on the name of the MAB you want to add tags to. Depending on if the MAB is running or not, the MAB’s Design or Results tab appears.
- Click on the pencil icon in the “Tags” section of the right sidebar. The tags list appears.
- Create a new tag or select a tag from the list.
Filter the Multi-armed bandits list by tag
You can filter the Multi-armed bandits list by one or more tags. To filter your MABs:- Click Filters.
- Select Add tag(s).
- Search for or select a tag from the list.