a portion of publisher_task.c

The lines of code that are able to use the types:

TaskHandle_t publisher_task_handle;
QueueHandle_t publisher_task_q;

The Libraries used:
/* Libraries*/
#include "cyhal.h"
#include "cybsp.h"
#include "FreeRTOS.h"
#include "cycfg.h"
#include "cy_pdl.h"
#include "math.h"

/* Task header files */
#include "publisher_task.h"
#include "mqtt_task.h"
#include "subscriber_task.h"

/* Configuration file for MQTT client */
#include "mqtt_client_config.h"

/*Middleware libraries */
#include "cy_mqtt_api.h"
#include "cy_retarget_io.h"

/*DPS310*/
#include "xensiv_dps3xx_mtb.h"