Blueprints

Send a WhatsApp notification when a workflow fails

About this blueprint

Notifications System

This system flow will send a WhatsApp notification anytime a workflow in a company namespace (or any nested child namespace) fails.

Using this pattern, you can send WhatsApp notifications for Kestra workflow execution failures alongside other notifications.

You can customize that system flow by modifying the task, adding more tasks to the flow or adjusting the trigger conditions. Read more about that pattern in the Administrator Guide.

Let's create a flow in the namespace with prefix company that will always fail.

yaml
id: failure_flow
namespace: company.team

tasks:
  - id: always_fails
    type: io.kestra.plugin.core.execution.Fail

Whenever you run the failure_flow, it will trigger an execution of the whatsapp_notify_on_failure flow. As a result, a WhatsApp notification will be sent so that prompt action can be taken.

yaml
id: whatsapp_notify_on_failure
namespace: company.team

tasks:
  - id: send_notification
    type: io.kestra.plugin.notifications.whatsapp.WhatsAppExecution
    url: "{{ secret('WHATSAPP_WEBHOOK') }}" # format: https://hooks.discord.com/services/xzy/xyz/xyz
    profileName: "MyProfile"
    from: "1234567890"
    whatsAppIds:
        - "some waId"
        - "waId No2"
    payload: "Kestra Workflow Failure: {{ trigger.executionId }} has failed on {{ taskrun.startDate }}"
    executionId: "{{ trigger.executionId }}"


triggers:
  - id: on_failure
    type: io.kestra.plugin.core.trigger.Flow
    conditions:
      - type: io.kestra.plugin.core.condition.ExecutionStatusCondition
        in:
          - FAILED
          - WARNING
      - type: io.kestra.plugin.core.condition.ExecutionNamespaceCondition
        namespace: company
        comparison: PREFIX

Whats App Execution

Flow

Execution Status Condition

Execution Namespace Condition

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