# AppInstanceUserMembershipSummary


Summary of the membership details of an `AppInstanceUser`.

## Contents


 ** ReadMarkerTimestamp **   <a name="chimesdk-Type-messaging-chime_AppInstanceUserMembershipSummary-ReadMarkerTimestamp"></a>
The time at which an `AppInstanceUser` last marked a channel as read.  
Type: Timestamp  
Required: No

 ** SubChannelId **   <a name="chimesdk-Type-messaging-chime_AppInstanceUserMembershipSummary-SubChannelId"></a>
The ID of the SubChannel that the `AppInstanceUser` is a member of.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[-_a-zA-Z0-9]*`   
Required: No

 ** Type **   <a name="chimesdk-Type-messaging-chime_AppInstanceUserMembershipSummary-Type"></a>
The type of `ChannelMembership`.  
Type: String  
Valid Values: `DEFAULT | HIDDEN`   
Required: No

## See Also


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/chime-sdk-messaging-2021-05-15/AppInstanceUserMembershipSummary) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/chime-sdk-messaging-2021-05-15/AppInstanceUserMembershipSummary) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/chime-sdk-messaging-2021-05-15/AppInstanceUserMembershipSummary)