BlockAction - AWS WAFV2
This documentation is a draft for private preview for regions in the AWS European Sovereign Cloud. Documentation content will continue to evolve. Published: December 31, 2025.

BlockAction

Specifies that AWS WAF should block the request and optionally defines additional custom handling for the response to the web request.

This is used in the context of other settings, for example to specify values for RuleAction and web ACL DefaultAction.

Contents

CustomResponse

Defines a custom response for the web request.

For information about customizing web requests and responses, see Customizing web requests and responses in AWS WAF in the AWS WAF Developer Guide.

Type: CustomResponse object

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: