docs: Custom webhook notifier

docs/SUMMARY.md

@@ -139,6 +139,7 @@
     * [Copy Container Image](user-guide/plugins/copy-container-image.md)
     * [Cosign](user-guide/plugins/cosign.md)
     * [CraneCopy](user-guide/plugins/crane-copy.md)
+    * [Custom Webhook Notifier](user-guide/plugins/custom-webhook-notifier.md)
     * [Dependency track - Maven & Gradle](user-guide/plugins/dependency-track-maven-gradle.md)
     * [Dependency track - NodeJS](user-guide/plugins/dependency-track-nodejs.md)
     * [Dependency track - Python](user-guide/plugins/dependency-track-python.md)

docs/user-guide/plugins/custom-webhook-notifier.md

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+# Custom Webhook Notifier
+
+## Introduction
+The Custom Webhook Notifier plugin by Devtron allows users to set up automated webhook notifications that integrate with various third-party services in their Job pipelines and at pre/post stages of Devtron CI/CD workflows. Teams can seamlessly integrate this plugin to keep external services and team members updated about pipeline events and status changes. Some key use cases of this plugin can be:
+- Configuring notifications at pre/post stages to update teams on task completion status, such as sending vulnerability scanning reports.
+- Setting up automated alerts at the runbooks of auto-remediation using jobs.
+
+{% hint style="warning" %}
+If you wish to get notifications at Trigger, Success, and Failure events of CI/CD pipelines, use Devtron's native [Notifications](https://docs.devtron.ai/global-configurations/manage-notification).
+{% endhint %}
+
+### Prerequisites
+Before integrating the **Custom Webhook Notifier** plugin, you must ensure that you have properly configured weebhook notifications in your Devtron setup.
+
+---
+
+## Steps
+
+{% hint style="warning" %}
+If you want to integrate the **Custom Webhook Notifier** at the job, navigate to the **[Custom Email Notifier](https://docs.devtron.ai/usage/plugins/plugin-list/custom-email-notifier)** plugin and follow the steps mentioned.
+{% endhint %}
+
+1. Go to **Applications** → **Devtron Apps**.
+2. Click your application.
+3. Go to **App Configuration** → **Workflow Editor**.
+4. Click **New Workflow** and navigate to the **Build and Deploy from Source Code**.
+5. Fill the required fields in the **Create build pipeline** window and navigate to the **Post-build stage**.
+
+{% hint style="warning" %}
+If you have already configured workflow, edit the build pipeline, and navigate to **Post-build stage**.
+{% endhint %}
+
+6. Under 'TASKS', click the **+ Add task** button.
+7. Click the **Custom Webhook Notifier** plugin.
+8. Enter the following [user inputs](#user-inputs) with appropriate values.
+
+---
+
+## User Inputs
+
+### Task Name
+Enter the name of your task
+
+e.g., `Webhook Notifier`
+
+### Description
+Add a brief explanation of the task and the reason for choosing the plugin. Include information for someone else to understand the purpose of the task.
+
+e.g., `The Custom Webhook Notifier plugin is integrated for sending an automated email notifications to relevant stakeholders.`
+
+### Input Variables
+| Variable                 | Format       | Description | Sample Value |
+| ------------------------ | ------------ | ----------- | ------------ |
+|       CONFIG_TYPE        | STRING       | Type of notification configuration. SES or SMTP  |  SES            |
+|       CONFIG_NAME         | STRING       | Name of the notification configuration to be used. This should match an existing notification configuration in Devtron.     |   vulnerability-scan report           |
+
+### Trigger/Skip Condition
+Here you can set conditions to execute or skip the task. You can select `Set trigger conditions` for the execution of a task or `Set skip conditions` to skip the task.
+
+### Output Variables
+Custom Webhook Notifier will not be generating an output variable.
+
+Click **Update Pipeline**.
+
+
+