Slack Appender for log4js-node


551.0.03 years ago3 years agoMinified + gzip package size for @log4js-node/slack in KB


Slack Appender for log4js-node

Sends log events to a slack channel. This is an optional appender for use with log4js.

npm install @log4js-node/slack


  • type - @log4js-node/slack
  • token - string - your Slack API token (see the slack and slack-node docs)
  • channel_id - string - the channel to send log messages
  • icon_url - string (optional) - the icon to use for the message
  • username - string - the username to display with the message
  • layout - object (optional, defaults to basicLayout) - the layout to use for the message (see layouts).


  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.

If you find any bugs or have a feature request, please open an issue on github!

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