# CustomActionAttachment
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Defines when a custom action button should be attached to a notification.

## Contents
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 ** ButtonText **   <a name="qdevinchatapps-Type-CustomActionAttachment-ButtonText"></a>
The text of the button that appears on the notification.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 50.  
Pattern: `[\S\s]+`   
Required: No

 ** Criteria **   <a name="qdevinchatapps-Type-CustomActionAttachment-Criteria"></a>
The criteria for when a button should be shown based on values in the notification.  
Type: Array of [CustomActionAttachmentCriteria](API_CustomActionAttachmentCriteria.md) objects  
Array Members: Minimum number of 1 item. Maximum number of 5 items.  
Required: No

 ** NotificationType **   <a name="qdevinchatapps-Type-CustomActionAttachment-NotificationType"></a>
The type of notification that the custom action should be attached to.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Pattern: `[a-zA-Z0-9-]+`   
Required: No

 ** Variables **   <a name="qdevinchatapps-Type-CustomActionAttachment-Variables"></a>
The variables to extract from the notification.  
Type: String to string map  
Map Entries: Maximum number of 5 items.  
Key Length Constraints: Minimum length of 1. Maximum length of 100.  
Key Pattern: `[A-Za-z0-9-_]+`   
Value Length Constraints: Minimum length of 0. Maximum length of 1024.  
Value Pattern: `[\x21-\x7F]+`   
Required: No

## See Also
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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/chatbot-2017-10-11/CustomActionAttachment) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/chatbot-2017-10-11/CustomActionAttachment) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/chatbot-2017-10-11/CustomActionAttachment)