This is the new *CloudFormation Template Reference Guide*. Please update your bookmarks and links. For help getting started with CloudFormation, see the [AWS CloudFormation User Guide](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/Welcome.html).

# AWS::RTBFabric::Link OpenRtbAttributeModuleParameters
<a name="aws-properties-rtbfabric-link-openrtbattributemoduleparameters"></a>

Describes the parameters of an open RTB attribute module.

## Syntax
<a name="aws-properties-rtbfabric-link-openrtbattributemoduleparameters-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-rtbfabric-link-openrtbattributemoduleparameters-syntax.json"></a>

```
{
  "[Action](#cfn-rtbfabric-link-openrtbattributemoduleparameters-action)" : Action,
  "[FilterConfiguration](#cfn-rtbfabric-link-openrtbattributemoduleparameters-filterconfiguration)" : [ Filter, ... ],
  "[FilterType](#cfn-rtbfabric-link-openrtbattributemoduleparameters-filtertype)" : String,
  "[HoldbackPercentage](#cfn-rtbfabric-link-openrtbattributemoduleparameters-holdbackpercentage)" : Number
}
```

### YAML
<a name="aws-properties-rtbfabric-link-openrtbattributemoduleparameters-syntax.yaml"></a>

```
  [Action](#cfn-rtbfabric-link-openrtbattributemoduleparameters-action): 
    Action
  [FilterConfiguration](#cfn-rtbfabric-link-openrtbattributemoduleparameters-filterconfiguration): 
    - Filter
  [FilterType](#cfn-rtbfabric-link-openrtbattributemoduleparameters-filtertype): String
  [HoldbackPercentage](#cfn-rtbfabric-link-openrtbattributemoduleparameters-holdbackpercentage): Number
```

## Properties
<a name="aws-properties-rtbfabric-link-openrtbattributemoduleparameters-properties"></a>

`Action`  <a name="cfn-rtbfabric-link-openrtbattributemoduleparameters-action"></a>
Describes a bid action.  
*Required*: Yes  
*Type*: [Action](aws-properties-rtbfabric-link-action.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`FilterConfiguration`  <a name="cfn-rtbfabric-link-openrtbattributemoduleparameters-filterconfiguration"></a>
Describes the configuration of a filter.  
*Required*: Yes  
*Type*: Array of [Filter](aws-properties-rtbfabric-link-filter.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`FilterType`  <a name="cfn-rtbfabric-link-openrtbattributemoduleparameters-filtertype"></a>
The filter type.  
*Required*: Yes  
*Type*: String  
*Allowed values*: `INCLUDE | EXCLUDE`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`HoldbackPercentage`  <a name="cfn-rtbfabric-link-openrtbattributemoduleparameters-holdbackpercentage"></a>
The hold back percentage.  
*Required*: Yes  
*Type*: Number  
*Minimum*: `0`  
*Maximum*: `100`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)