# Wallet Segments Builder Tutorial

Segments are predefined groupings of your audience that you can construct using Tags in the Segments Builder.

*Segments* are reusable audience selection criteria. They are used with the
Publish feature to apply template design changes to Apple Wallet passes that
have already been distributed. Create a segment instead of recreating your
audience selections every time you update a pass. Segments are created within
a project and can be used for any template within that project.

> **Note:** Segments can also be created via the API. See: [Wallet API: Segments](https://www.airship.com/docs/developer/rest-api/wallet/operations/segments/).


## Create a New Segment

Tags are selected from — not created by — the Segments Builder. Select tags
that you have already created and attached to passes. See the
[API: Tags](https://www.airship.com/docs/developer/rest-api/wallet/operations/tags/). documentation for more detail.

To create a new segment:

1. Go to *Segments*.
1. Click **New Segment**.
1. Select whether the conditions you set will apply to *All* or *Any* passes
   in the project. The default statement is "Include passes where *All* of the
   following are true." Use the All/Any dropdown menu to change your selection.
   <ul>
   <li>ALL = all criteria must be met (boolean AND)</li>
   <li>ANY = any criteria must be met (boolean OR)</li>
   </ul>
1. Choose *is* or *is not* from the next dropdown menu.
1. Enter your search term, and click to select from the listed search
   results, if any.
   If you would like to set multiple conditions, click **Add a
   condition** and continue with your specifications.
1. Enter a descriptive name.
1. Click **Save**.

Click the Segments menu link to return to your list of segments.

## Edit or Delete a Segment {#edit-delete}

1. Go to *Segments*. Three properties are displayed per segment:
   * **Segment Name**
   * **Date Created**
   * **Date Edited:** The date and time when the list was last edited.
1. Click 
 to delete the segment, or click 
 to edit.

## Update a Segment's Passes {#segment-passes}

To update a segment's passes, use the Publish feature. When choosing which
passes to update, select the radio button for *A specific segment*, then
select your previously created segment. See:
[Publish Tutorial](https://www.airship.com/docs/guides/wallet/user-guide/updating-passes/publish/).