SubscribeMQTTMethods (FB)¶

FUNCTION_BLOCK SubscribeMQTTMethods EXTENDS CBML.LCon

Function block to subscribe MQTT methods.

InOut:

Scope	Name	Type	Comment	Inherited from
Input	`xEnable`	`BOOL`	`TRUE`: Activates the defined operation `FALSE`: Aborts/resets the defined operation	LCon
Output	`xDone`	`BOOL`	`TRUE`: Ready condition reached	LCon
	`xBusy`	`BOOL`	`TRUE`: Operation is running	LCon
	`xError`	`BOOL`	`TRUE`: Error condition reached	LCon
Input	`pbMethodPayload`	POINTER TO BYTE	Pointer to method input payload buffer
	`udiMaxMethodPayloadSize`	`UDINT`	Maximum size of pbMethodPayload
	`itfMethodInvoker`	IMethodInvoker	Method invoker
Inout	`azureMQTTClient`	AzureMQTTClient	Reference to AzureMQTTClient
Output	`eError`	`MQTT.MQTT_ERROR`	Error code
Output	`udiPayloadSize`	`UDINT`	Length of the device twin