# Return on Ad Spend bidding

> Learn about how bidding works for Return on Ad Spend (ROAS) campaigns and set up ROAS goals in the Unity User Acquisition Dashboard.

Return on Ad Spend (ROAS) campaigns use ROAS goals to bid for users. Refer to the following articles for information about this bid type and instructions for how to configure and manage ROAS goals in the dashboard.

[Introduction to ROAS goals](./intro-to-roas-goals): Understand how bidding works for Return on Ad Spend campaigns.

[Set up ROAS goals](./set-up-roas-goals): Configure bids for your Return on Ad Spend (ROAS) campaigns in the Unity User Acquisition Dashboard.

[Manage ROAS goals](./manage-roas-goals): Manage your existing ROAS goals in the Unity User Acquisition Dashboard.