Platform Event in Salesforce:

Sample Flow:

Replay Channel:

Transform Message:

Logger:

Run As Mule Application:

Code to execute in Developer Console:
Below code is used to create Platform Event so that MuleSoft can get notified.

Sample__e objEvent = 
new Sample__e( Status__c = 'Testing' );  
EventBus.publish( 
	objEvent 
);  

Output: