he [ `
Promise ` ](/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise)
returned by ` navigator.credentials.create({publicKey}) ` will reject with a `
NotAllowedError ` [ ` DOMException ` ](/en-US/docs/Web/API/DOMException) . If
the method is called cross-origin. the [ ` Promise ` ](/en-
US/docs/Web/JavaScript/Reference/Global_Objects/Promise) will also reject with
a ` NotAllowedError ` if the feature is granted by [ ` allow= ` on an iframe
](/en-US/docs/Web/HTTP/Headers/Permissions-Policy#iframes) and the frame does
not also have [ Transient activation ](/en-
US/docs/Glossary/Transient_activation) .

##  Syntax

http

    
    
    Permissions-Policy: publickey-credentials-create=<allowlist>;
    

` <allowlist> `

    

A list of origins for which permission is granted to use the feature. See [ `
Permissions-Policy ` > Syntax ](/en-US/docs/Web/HTTP/Headers/Permissions-
Policy#syntax) for more details.

##  Default policy

The default allowlist for ` publickey-credentials-create ` is ` self ` .

##  Specifications

Specification  
---  
[ Web Authentication: An API for accessing Public Key Credentials - Level 3  
#  sctn-permissions-policy  ](https://w3c.github.io/webauthn/#sctn-
permissions-policy)  
  
##  Browser compatibility

BCD tables only load in the browser  with JavaScript enabled. Enable
JavaScript to view data.

##  See also

  * [ ` Permissions-Policy ` ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy) header 
  * [ Permissions Policy ](/en-US/docs/Web/HTTP/Permissions_Policy)
  * [ Web Authentication API ](/en-US/docs/Web/API/Web_Authentication_API)
  * [ ` PublicKeyCredential ` ](/en-US/docs/Web/API/PublicKeyCredential) interface 

##  Help improve MDN

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](https://github.com/mdn/content/blob/main/CONTRIBUTING.md "This will take you
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