This method will update an channel business record.
|business_code||Integer||This is the business we are working within.|
|channel_id||Integer||This is the id of the channel we want to update.|
|user_name||String||This is the user name used to connect to the channel.|
|password||String||This is the password used to connect to the channel.|
|format||enumeration||(optional) Set this value to "xml" for XML raw formatted output, "xml-clean" for XML tidy formatted output or "json" for JSON formatted output. If not passed, "xml" is used as a default|