credentials_t struct
Client related credentials for authentication.
Fields
Set *MQTT* client identifier. Ignored if set_null_client_id == true If NULL set the default client id. Default client id is ``ESP32_%CHIPID%`` where `%CHIPID%` are last 3 bytes of MAC address in hex format.
Selects a NULL client id.
Client authentication Fields related to client authentication by broker For mutual authentication using TLS, user could select certificate and key, secure element or digital signature peripheral if available. Client authentication.