New in version 1.23.0.
void
mongoc_auto_encryption_opts_set_kms_credential_provider_callback(
  mongoc_auto_encryption_opts_t *opts,
  mongoc_kms_credentials_provider_callback_fn fn,
  void *userdata);
 
 
Set the user-provided callback to provide KMS credentials
    on-demand when they are needed.
  - opts - The options object to update.
- fn - The provider callback to set on the options object. May be
      NULL to clear the callback. Refer to:
      mongoc_kms_credentials_provider_callback_fn
- userdata - An arbitrary pointer that will be passed along to the
      callback function when it is called by libmongoc.
 
SEE ALSO:
mongoc_client_encryption_opts_set_kms_credential_provider_callback
  ()
 
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