Re: [mqtt-comment] user properties on subscribe packets?

Thank you for this comment.  I have opened issue MQTT-521 for this comment.  https://issues.oasis-open.org/browse/MQTT-521 .
After the close of the public comment period we will provide a consolidated list of all public comments and the disposition.

Ken Borgendale  --     

<> wrote on 09/08/2017 04:53:52 PM:

> From: Erik Paulson <>
> To: 
> Date: 09/08/2017 04:54 PM
> Subject: [mqtt-comment] user properties on subscribe packets?
> Sent by: <>
> 
> Hello - 
> 
> In looking through the 5.0 MQTT draft, is it possible to put any user properties on a 
> subscribe request? The use case I was thinking would be for in broker implementations if
> you wanted to pass some additional data along to give hints to the broker, e.g. for 
> something like Kafka "start my subscription at point X". 
> 
> It could also be useful to carry along additional authorization metadata, instead of 
> only being able to use whatever authentication was established at connection-time for 
> authorization. It might be nice to slip in a bearer token to a subscription request and 
> use that for a specific topic. 
> 
> -Erik