# AWS::XRay::SamplingRule SamplingRuleRecord

## Syntax

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

### JSON

<pre>
{
    "<a href="#createdat" title="CreatedAt">CreatedAt</a>" : <i>String</i>,
    "<a href="#modifiedat" title="ModifiedAt">ModifiedAt</a>" : <i>String</i>,
    "<a href="#samplingrule" title="SamplingRule">SamplingRule</a>" : <i><a href="samplingrule.md">SamplingRule</a></i>
}
</pre>

### YAML

<pre>
<a href="#createdat" title="CreatedAt">CreatedAt</a>: <i>String</i>
<a href="#modifiedat" title="ModifiedAt">ModifiedAt</a>: <i>String</i>
<a href="#samplingrule" title="SamplingRule">SamplingRule</a>: <i><a href="samplingrule.md">SamplingRule</a></i>
</pre>

## Properties

#### CreatedAt

When the rule was created, in Unix time seconds.

_Required_: No

_Type_: String

_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

#### ModifiedAt

When the rule was modified, in Unix time seconds.

_Required_: No

_Type_: String

_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

#### SamplingRule

_Required_: No

_Type_: <a href="samplingrule.md">SamplingRule</a>

_Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)