Filters the secret used to sign Forms unauthenticated file-download links. Defaults to the Jetpack blog token secret. Environments without a usable blog token (e.g. WordPress.com Simple) can return their own stable, secret value here so that download links can still be signed and verified.
Parameters
- $secret
string The signing secret. Empty string if none is available.
Changelog
- Introduced in Jetpack 16.0
Jetpack Developer Resources 