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4. Custom Webhook Variables

Custom Webhook Variables

Table of Contents

Customize Honeycomb alerts with variables for precise, actionable notifications.

Introduction 

Use variables to customize payloads for your Honeycomb trigger alerts and SLO burn alerts. These variables dynamically populate your webhook payloads, ensuring that alerts contain the relevant information for your workflows.

To learn more about working with variables in custom webhooks, visit Custom Webhooks: Define Payload Template Variables and Custom Webhooks: Override Payload Template Variables.

Simple Example 

You can reference a variable in a JSON payload template like this:

{ 
  "message": "{{ .Alert.Summary }}"
}

In this example, .Alert.Summary is a variable that dynamically evaluates to the summary of the alert when the webhook is sent.

Array Variables 

When using variables that return arrays, wrap them with toJson to generate valid JSON:

{
 "datasets": {{ toJson .Datasets }}
}

In this example, the .Datasets variable contains a list of dataset names associated with the alert. Wrapping the variable with toJSON ensures proper JSON formatting.

Variables for Triggers 

Trigger variables provide contextual information about alerts. Use them to customize payloads for your integrations.

Variables for SLO Budget Rate Burn Alerts 

These variables provide information about SLO burn alerts for monitoring error budget consumption.

Variables for SLO Exhaustion Time Burn Alerts 

Use these variables when configuring burn alerts that monitor projected SLO exhaustion time.

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