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::EC2::NetworkInsightsAnalysis

Specifies a network insights analysis.
## Syntax

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

```
{
 "Type" : "AWS::EC2::NetworkInsightsAnalysis",
 "Properties" : {
 "[AdditionalAccounts](#cfn-ec2-networkinsightsanalysis-additionalaccounts)" : {{[ String, ... ]}},
 "[FilterInArns](#cfn-ec2-networkinsightsanalysis-filterinarns)" : {{[ String, ... ]}},
 "[FilterOutArns](#cfn-ec2-networkinsightsanalysis-filteroutarns)" : {{[ String, ... ]}},
 "[NetworkInsightsPathId](#cfn-ec2-networkinsightsanalysis-networkinsightspathid)" : {{String}},
 "[Tags](#cfn-ec2-networkinsightsanalysis-tags)" : {{[ Tag, ... ]}}
 }
}
```
### YAML

```
Type: AWS::EC2::NetworkInsightsAnalysis
Properties:
 [AdditionalAccounts](#cfn-ec2-networkinsightsanalysis-additionalaccounts): {{
 - String}}
 [FilterInArns](#cfn-ec2-networkinsightsanalysis-filterinarns): {{
 - String}}
 [FilterOutArns](#cfn-ec2-networkinsightsanalysis-filteroutarns): {{
 - String}}
 [NetworkInsightsPathId](#cfn-ec2-networkinsightsanalysis-networkinsightspathid): {{String}}
 [Tags](#cfn-ec2-networkinsightsanalysis-tags): {{
 - Tag}}
```
## Properties

`AdditionalAccounts` 
The member accounts that contain resources that the path can traverse. 
*Required*: No 
*Type*: Array of String 
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
`FilterInArns` 
The Amazon Resource Names (ARN) of the resources that the path must traverse. 
*Required*: No 
*Type*: Array of String 
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
`FilterOutArns` 
The Amazon Resource Names (ARN) of the resources that the path must ignore. 
*Required*: No 
*Type*: Array of String 
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
`NetworkInsightsPathId` 
The ID of the path. 
*Required*: Yes 
*Type*: String 
*Update requires*: [Replacement](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-replacement)
`Tags` 
The tags to apply. 
*Required*: No 
*Type*: Array of [Tag](aws-properties-ec2-networkinsightsanalysis-tag.md) 
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)
## Return values

### Ref

When you pass the logical ID of this resource to the intrinsic `Ref` function, `Ref` returns the ID of the network insights analysis.
For more information about using the `Ref` function, see [https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/intrinsic-function-reference-ref.html](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/intrinsic-function-reference-ref.html).
### Fn::GetAtt

The `Fn::GetAtt` intrinsic function returns a value for a specified attribute of this type. The following are the available attributes and sample return values.
For more information about using the `Fn::GetAtt` intrinsic function, see [https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/intrinsic-function-reference-getatt.html](https://docs.aws.amazon.com/AWSCloudFormation/latest/TemplateReference/intrinsic-function-reference-getatt.html).
#### 

`AlternatePathHints` 
Potential intermediate components.
`Explanations` 
The explanations. For more information, see [Reachability Analyzer explanation codes](https://docs.aws.amazon.com/vpc/latest/reachability/explanation-codes.html).
`ForwardPathComponents` 
The components in the path from source to destination.
`NetworkInsightsAnalysisArn` 
The Amazon Resource Name (ARN) of the network insights analysis.
`NetworkInsightsAnalysisId` 
The ID of the network insights analysis.
`NetworkPathFound` 
Indicates whether the destination is reachable from the source.
`ReturnPathComponents` 
The components in the path from destination to source.
`StartDate` 
The time the analysis started.
`Status` 
The status of the network insights analysis.
`StatusMessage` 
The status message, if the status is `failed`.
`SuggestedAccounts` 
The IDs of potential intermediate accounts.</div><div class="naked_ctrl">
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