> ## Documentation Index
> Fetch the complete documentation index at: https://docs.arnio.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Build a campaign audience

> Learn how to build and target your campaign audience.

# Build a campaign audience

Learn how to build and target your campaign audience.

Building the right audience is crucial for campaign success. Learn how to create segments and lists to target your messages effectively.

## Create a segment

1. Navigate to **Audience** > **Lists & segments**
2. Click **Create new** > **Create segment**
3. Enter a name and description
4. Define conditions (All or Any)
5. Apply filters based on:
   * Demographics
   * Behavior
   * Engagement history
   * Custom properties
6. Preview matching contacts
7. Save your segment

## Create a list

1. Navigate to **Audience** > **Lists & segments**
2. Click **Create new** > **Create list**
3. Enter a name
4. Add contacts manually or import from CSV
5. Save your list

## Advanced segmentation

Use advanced filters to create precise segments:

* **Contact properties**: Filter by custom attributes
* **Engagement**: Target based on message interaction
* **Time-based**: Create segments based on recency
* **E-commerce**: Segment by purchase behavior

**See also:**

* [Lists and segments →](/audience/lists-segments)
* [Contacts →](/audience/contacts)