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esp_mqtt5_client_get_user_property_count() function
Get MQTT5 client user property list count
Syntax
Implemented in ![]()
mqtt5_client.c:737
Return value
user property list count
Related Functions
Found 9 other functions taking a ![]()
mqtt5_user_property_list_t
argument:
Function
Description
Free the user property list This API will free the memory in user property list and free user_property itself
Set MQTT5 client user property configuration This API will allocate memory for user_property, please DO NOT forget `call esp_mqtt5_client_delete_user_property` after you use it. Before publish data, subscribe topic, unsubscribe, etc, call this API to set user property if have
Get MQTT5 client user property This API can use with `esp_mqtt5_client_get_user_property_count` to get list count of user property. And malloc number of count item array memory to store the user property data. Please DO NOT forget the item memory, key and value point in item memory when get user property data successfully.
Examples
Code
Location
Data Use
from 0/1 examplesesp_mqtt5_client_get_user_property_count() reads 1 variable: