Sends log events to a slack channel. This is an optional appender for use with log4js.
npm install @log4js-node/slacktype-@log4js-node/slacktoken-string- your Slack API token (see the slack and slack-node docs)channel_id-string- the channel to send log messagesicon_url-string(optional) - the icon to use for the messageusername-string- the username to display with the messagelayout-object(optional, defaults tobasicLayout) - the layout to use for the message (see layouts).
log4js.configure({appenders: {alerts: {type: '@log4js-node/slack',token: 'abc123def',channel_id: 'prod-alerts',username: 'our_application'}},categories: {default: {appenders: ['alerts'],level: 'error'}}});This configuration will send all error (and above) messages to the prod-alerts slack channel, with the username our_application.