FreeSWITCH 1.8

event

Enable or disable events by class or all (plain or xml or json output format):

event plain <listof events to log or all> 
event xml <listof events to log or all> 
event json <listof events to log or all> 

The event commands are used to subscribe on events from FreeSWITCH. You may specify any number of events on the same line; they should be separated with space.

Examples:

event plain ALL 
event plain CHANNEL_CREATE CHANNEL_DESTROY CUSTOM conference::maintenance sofia::register sofia::expire 
event xml ALL 
event json CHANNEL_ANSWER 

Subsequent calls to 'event' won't override the previous event sets. Supposing, you've first registered for DTMF:

event plain DTMF  

then you may want to register for CHANNEL_ANSWER too; it is enough to give: ...