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<!--startmeta
custom_edit_url: "https://github.com/netdata/netdata/edit/master/src/health/notifications/slack/README.md"
meta_yaml: "https://github.com/netdata/netdata/edit/master/src/health/notifications/slack/metadata.yaml"
sidebar_label: "Slack"
learn_status: "Published"
learn_rel_path: "Alerts & Notifications/Notifications/Agent Dispatched Notifications"
message: "DO NOT EDIT THIS FILE DIRECTLY, IT IS GENERATED BY THE NOTIFICATION'S metadata.yaml FILE"
endmeta-->
# Slack
<img src="https://netdata.cloud/img/slack.png" width="150"/>
Send notifications to a Slack workspace using Netdata's Agent alert notification feature, which supports dozens of endpoints, user roles, and more.
<img src="https://img.shields.io/badge/maintained%20by-Netdata-%2300ab44" />
## Setup
### Prerequisites
####
- Slack app along with an incoming webhook, read Slack's guide on the topic [here](https://api.slack.com/messaging/webhooks).
- One or more channels to post the messages to
- Access to the terminal where Netdata Agent is running
### Configuration
#### File
The configuration file name for this integration is `health_alarm_notify.conf`.
You can edit the configuration file using the [`edit-config`](https://github.com/netdata/netdata/blob/master/docs/netdata-agent/configuration/README.md#edit-a-configuration-file-using-edit-config) script from the
Netdata [config directory](https://github.com/netdata/netdata/blob/master/docs/netdata-agent/configuration/README.md#the-netdata-config-directory).
```bash
cd /etc/netdata 2>/dev/null || cd /opt/netdata/etc/netdata
sudo ./edit-config health_alarm_notify.conf
```
#### Options
The following options can be defined for this notification
<details open><summary>Config Options</summary>
| Name | Description | Default | Required |
|:----|:-----------|:-------|:--------:|
| SEND_SLACK | Set `SEND_SLACK` to YES | YES | yes |
| SLACK_WEBHOOK_URL | set `SLACK_WEBHOOK_URL` to your Slack app's webhook URL. | | yes |
| DEFAULT_RECIPIENT_SLACK | Set `DEFAULT_RECIPIENT_SLACK` to the Slack channel your Slack app is set to send messages to. The syntax for channels is `#channel` or `channel`. | | yes |
</details>
#### Examples
##### Basic Configuration
```yaml
#------------------------------------------------------------------------------
# slack (slack.com) global notification options
SEND_SLACK="YES"
SLACK_WEBHOOK_URL="https://hooks.slack.com/services/XXXXXXXX/XXXXXXXX/XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
DEFAULT_RECIPIENT_SLACK="#alarms"
```
## Troubleshooting
### Test Notification
You can run the following command by hand, to test alerts configuration:
```bash
# become user netdata
sudo su -s /bin/bash netdata
# enable debugging info on the console
export NETDATA_ALARM_NOTIFY_DEBUG=1
# send test alarms to sysadmin
/usr/libexec/netdata/plugins.d/alarm-notify.sh test
# send test alarms to any role
/usr/libexec/netdata/plugins.d/alarm-notify.sh test "ROLE"
```
Note that this will test _all_ alert mechanisms for the selected role.
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