Update insert-functions.md

Rephrased a note and added two FAQS re insert functions and their relationship with destination filters

Author: muhammadatifjav

src/connections/functions/insert-functions.md

@@ -52,7 +52,7 @@ You can also use this page to [enable destination insert functions](#enable-the-
 Segment invokes a separate part of the function (called a "handler") for each event type that you send to your destination insert function.
 
 > info ""
-> Your function isn't invoked for an event if you've configured a [destination filter](/docs/connections/destinations/destination-filters/), and the event doesn't pass the filter.
+> If you’ve configured a [destination filter](/docs/connections/destinations/destination-filters/), and the event doesn’t pass the filter, then your function isn’t invoked for that event as destination filters are applied before the insert functions.
 
 The default source code template includes handlers for all event types. You don't need to implement all of them - just use the ones you need, and skip the ones you don't.
 
@@ -476,6 +476,7 @@ Yes, Segment retries invocations that throw RetryError or Timeout errors (tempor
 
 No, Segment can't guarantee the order in which the events are delivered to an endpoint.
 
+
 ##### Can I create a device-mode destination?
 
 No, destination insert functions are currently available as cloud-mode destinations only. Segment is in the early phases of exploration and discovery for supporting customer "web plugins" for custom device-mode destinations and other use cases, but this is unsupported today.
@@ -484,6 +485,14 @@ No, destination insert functions are currently available as cloud-mode destinati
 
 Yes, an insert function can be connected to multiple destinations. 
 
+##### Can I configure destination filters and have destination insert function in the same connection?
+
+Yes, there is no limitation on having destination filters and destination insert functions in the same connection. 
+
+##### Are the insert functions invoked before or after the destination filters are applied?
+
+The destinations filters are applied prior to the invocation of the insert functions in the Segment data pipeline. 
+
 {% comment %}
 
 ## Using Segment's Public API