# Configure an Event Handler

To configure an event handler, follow these steps.

To configure an event handler

1. Stop Connector Framework Server.
2. Open the Connector Framework Server configuration file in a text editor.

3. Set the `OnStart`, `OnFinish`, `OnError`, or `OnQueueEvent` parameter to specify the name of a section in the configuration file that contains the event handler settings.

   - To run an event handler for all asynchronous actions, set these parameters in the `[Actions]` section. For example:

         [Actions]
         OnStart=NormalEvents
         OnFinish=NormalEvents
         OnError=ErrorEvents

   - To run an event handler for a specific action, set these parameters in the `[ActionName]` section, where `ActionName` is the name of the action. The following example calls an event handler when the `Example` action starts and finishes successfully, and uses a different event handler to monitor the queue size:

         [Example]
         OnStart=NormalEvents
         OnFinish=NormalEvents
         OnQueueEvent=QueueSizeEvents

4. Create a new section in the configuration file to contain the settings for your event handler. You must name the section using the name you specified with the `OnStart`, `OnFinish`, `OnError`, or `OnQueueEvent` parameter.

5. In the new section, set the `LibraryName` parameter.

   `LibraryName` | The type of event handler to use to handle the event. To write event data to a text file, set this parameter to `TextFileHandler`, and then set the `FilePath` parameter to specify the path of the file. To send event data to a URL, set this parameter to `HttpHandler`, and then use the HTTP event handler parameters to specify the URL, proxy server settings, credentials, and so on. To run a Lua script, set this parameter to `LuaHandler`, and then use the `LuaScript` parameter to specify the script to run. For information about writing the script, see Write a Lua Script to Handle Events.

   For example:

       [NormalEvents]
       LibraryName=TextFileHandler
       FilePath=./events.txt

       [ErrorEvents]
       LibraryName=HTTPHandler
       URL=http://handlers:8080/lo-proxy/callback.htm?

       [QueueSizeEvents]
       LibraryName=LuaHandler
       LuaScript=./handle_queue_events.lua

6. Save and close the configuration file. You must restart Connector Framework Server for your changes to take effect.

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