Required: data - The argument passed to the function.The body of the HTTP request should be a JSON object with any of the following fields: The callable trigger automatically handles these OPTIONS requests. Other headers are similarly not allowed.The Authorization header is not a CORS-safelisted request-header.It must be text/plain or application/x-www-form-urlencoded. Note: In JavaScript clients, these requests trigger a CORS OPTIONS preflight, because: If any other headers are included, the request is rejected, as described in the response documentation below. Injecting the appId in the handler's context. The backend automatically verifies this token and decodes it, The Firebase App Check token provided by the client app making the.
![response for preflight has invalid http status code 500 response for preflight has invalid http status code 500](https://i.stack.imgur.com/NyaNE.png)
![response for preflight has invalid http status code 500 response for preflight has invalid http status code 500](https://i.stack.imgur.com/AQTgB.jpg)
It is used for targeting push notifications. This is available in the handler's context.
RESPONSE FOR PREFLIGHT HAS INVALID HTTP STATUS CODE 500 REGISTRATION
![response for preflight has invalid http status code 500 response for preflight has invalid http status code 500](https://i.stack.imgur.com/Mtvuw.png)
The SDKs provideįeatures to save coding time and effort, as detailed inĬall Functions from Your App. To do that instead of directly implementing this protocol. Note: If you are able to use the Android, Apple, or web SDKs, you're recommended This information may be useful to you if your requirementsĬan't be met using the Android, Apple platforms, or web SDKs. Specification for the HTTPS request and response formats used by the client SDKs Specific format for the request and response. An https.onCall trigger for Cloud Functions is an HTTPS trigger with a