# Peering
<a name="API_Peering"></a>

Describes a peering connection.

## Contents
<a name="API_Peering_Contents"></a>

 ** CoreNetworkArn **   <a name="networkmanager-Type-Peering-CoreNetworkArn"></a>
The ARN of a core network.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 500.  
Pattern: `[\s\S]*`   
Required: No

 ** CoreNetworkId **   <a name="networkmanager-Type-Peering-CoreNetworkId"></a>
The ID of the core network for the peering request.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 50.  
Pattern: `^core-network-([0-9a-f]{8,17})$`   
Required: No

 ** CreatedAt **   <a name="networkmanager-Type-Peering-CreatedAt"></a>
The timestamp when the attachment peer was created.  
Type: Timestamp  
Required: No

 ** EdgeLocation **   <a name="networkmanager-Type-Peering-EdgeLocation"></a>
The edge location for the peer.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 63.  
Pattern: `[\s\S]*`   
Required: No

 ** LastModificationErrors **   <a name="networkmanager-Type-Peering-LastModificationErrors"></a>
Describes the error associated with the Connect peer request.  
Type: Array of [PeeringError](API_PeeringError.md) objects  
Array Members: Minimum number of 0 items. Maximum number of 20 items.  
Required: No

 ** OwnerAccountId **   <a name="networkmanager-Type-Peering-OwnerAccountId"></a>
The ID of the account owner.  
Type: String  
Length Constraints: Fixed length of 12.  
Pattern: `[\s\S]*`   
Required: No

 ** PeeringId **   <a name="networkmanager-Type-Peering-PeeringId"></a>
The ID of the peering attachment.   
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 50.  
Pattern: `^peering-([0-9a-f]{8,17})$`   
Required: No

 ** PeeringType **   <a name="networkmanager-Type-Peering-PeeringType"></a>
The type of peering. This will be `TRANSIT_GATEWAY`.  
Type: String  
Valid Values: `TRANSIT_GATEWAY`   
Required: No

 ** ResourceArn **   <a name="networkmanager-Type-Peering-ResourceArn"></a>
The resource ARN of the peer.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 1500.  
Pattern: `[\s\S]*`   
Required: No

 ** State **   <a name="networkmanager-Type-Peering-State"></a>
The current state of the peering connection.   
Type: String  
Valid Values: `CREATING | FAILED | AVAILABLE | DELETING`   
Required: No

 ** Tags **   <a name="networkmanager-Type-Peering-Tags"></a>
The list of key-value tags associated with the peering.  
Type: Array of [Tag](API_Tag.md) objects  
Required: No

## See Also
<a name="API_Peering_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/networkmanager-2019-07-05/Peering) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/networkmanager-2019-07-05/Peering) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/networkmanager-2019-07-05/Peering)