--- title: "mg_mqtt_suback()" decl_name: "mg_mqtt_suback" symbol_kind: "func" signature: | void mg_mqtt_suback(struct mg_connection *nc, uint8_t *qoss, size_t qoss_len, uint16_t message_id); --- Sends a SUBACK command with a given `message_id` and a sequence of granted QoSs.