ngtcp2_crypto_picotls_collect_extension
=======================================

Synopsis
--------

*#include <ngtcp2/ngtcp2_crypto_picotls.h>*

.. function:: int ngtcp2_crypto_picotls_collect_extension( ptls_t *ptls, struct st_ptls_handshake_properties_t *properties, uint16_t type)

    
    `ngtcp2_crypto_picotls_collect_extension` is a callback function
    which only returns nonzero if *type* ==
    :macro:`NGTCP2_TLSEXT_QUIC_TRANSPORT_PARAMETERS_V1`.