# Lists
A list of features can be used to filter data or perform some analysis e.g. pathway enrichment analysis, or perform visualization like heatmap etc.
* Click on gear button on Analysis page the top right corner
* Choose **Settings** in the menu
* Select **Lists** from the left panel of the *Components* section.
To create new list, select the **+ New list** button on the top of the page and give the list a name. Choose between the three list options:
* **Local file**: text file (.txt) on the local computer
* **Text**: manually specify a list of names
* **Hosted lists**: lists hosted by Illumina
When manually specifying a local file or text, only the user who added the list can view and use the lists.
The list name needs to be unique for each user. A description is optional. The list of features can be specified from a .txt file on your local computer by selecting the **Local file** option. The .txt file should contain only one feature per row.
To manually enter a list of genes, select the **Text** option. Content can be typed into the text field or pasted from the clipboard as one feature per row.
Select **Add list** to add the list. The new list will be added to the list table.
When the *Hosted lists* option is chosen, lists can be downloaded by clicking the check box for each list on the left to select lists and click **Add list.**
View and sort the name of the list, number of features, owner, and creation date by clicking the column title of the list table. Click on the 3 dots under Actions column to download or edit the list:
## Use a Feature list to Select & Filter populations
Feature lists can be used to Select & Filter.
* In the Data Viewer, select the **Style** configuration option
* Choose **Feature list** from *Color by* drop-down list
* Select the **List** of interest using the drop-down
* Choose a **Metric** for the feature list
* Click **Select & Filter** under *Tools* on left
* Use the *Add criteria* drop-down to choose **Gene score**
* Use the slider or text fields to select a population
* Use Filter at the top right to **include** () or **exclude** () this population
* **Apply observation filter** can then be used to filter this population to a specific node in the analysis pipeline
To remove this filter, click **Clear filters**.
##
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button on Analysis page the top right corner
* Choose **Settings** in the menu
* Select **Lists** from the left panel of the *Components* section.
To create new list, select the **+ New list** button on the top of the page and give the list a name. Choose between the three list options:
* **Local file**: text file (.txt) on the local computer
* **Text**: manually specify a list of names
* **Hosted lists**: lists hosted by Illumina
When manually specifying a local file or text, only the user who added the list can view and use the lists.
The list name needs to be unique for each user. A description is optional. The list of features can be specified from a .txt file on your local computer by selecting the **Local file** option. The .txt file should contain only one feature per row.
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) or **exclude** (.png?alt=media)
) this population
* **Apply observation filter** can then be used to filter this population to a specific node in the analysis pipeline
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