Chat #45

**Source:** [Setting up Ad Units](https://tripledotstudios.atlassian.net/wiki/spaces/KB/pages/4304109569) ## CPM Floor Types and Field Descriptions ### CPM Floor Type Field **Field Name:** CPM Floor Type **Description:** Select the type for the CPM Floor - **Type:** Dropdown - **Options:** - Static - Formula - Waterfall - **Default:** Static - **Mandatory:** Yes ### Detailed Field Descriptions for Each Type #### 1. Static CPM Configuration **Fallback CPM Value** - **Description:** Specify a fallback floor value to be sent to the mediation platform for bidding - **Type:** Float - **Default:** Empty **Use Percentiles** - **Description:** Enable to use percentile for CPM floor value - **Type:** Boolean - **Default:** False - **Behavior:** If enabled, system displays additional section to configure CPM percentile config #### 2. Formula Parameters **Formula Type** - **Description:** Defines the type for calculating the formula - **Type:** Dropdown - **Options:** - Median - Average - **Default:** Median **Use Successful Ad Requests Only** - **Description:** Enable if you want to use only successful ad requests for calculation - **Type:** Boolean - **Default:** OFF - **Availability:** Only when CPM Floor Type = Formula **Min Ad Requests to Apply Formula** - **Description:** Minimum number of events with CPM to calculate CPM value for interstitials or rewarded videos - **Type:** Integer - **Mandatory:** Yes (when CPM Floor Type = Formula) - **Constraints:** - Minimum: 1 - Maximum: 50 - Must be less than "Ad requests to apply formula to" setting #### 3. Waterfall Configuration **Levels Type** - **Description:** Select the type of levels for waterfall multiplier - **Type:** Dropdown - **Options:** - Fixed - Multiplier - **Default:** Fixed **CPM Floor for Multiplier Level** - **Description:** Specify the CPM Floor Value based on the selected level type - **Type:** Float - **Default:** Empty - **Constraints:** - Mandatory if Level is added and Level Type = Multiplier - Minimum: 0.0