using powershell Lambda in slack notifier

ps-slack-notifier/PSAwsEventToSlack.ps1

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+# PowerShell script file to be executed as a AWS Lambda function.
+#
+# When executing in Lambda the following variables will be predefined.
+#   $LambdaInput - A PSObject that contains the Lambda function input data.
+#   $LambdaContext - An Amazon.Lambda.Core.ILambdaContext object that contains information about the currently running Lambda environment.
+#
+# The last item in the PowerShell pipeline will be returned as the result of the Lambda function.
+#
+# To include PowerShell modules with your Lambda function, like the AWSPowerShell.NetCore module, add a "#Requires" statement
+# indicating the module and version.
+
+#Requires -Modules @{ModuleName='AWSPowerShell.NetCore';ModuleVersion='3.3.335.0'}
+
+$jsonInput = (ConvertTo-Json -InputObject $LambdaInput -Compress -Depth 5)
+$title =  "AWS Health Event : "+($LambdaInput.detail.eventTypeCategory)+" : "+($LambdaInput.detail.service)
+$message = $LambdaInput.detail.eventDescription.latestDescription
+$message += "<https://phd.aws.amazon.com/phd/home?region=us-east-1#/event-log?eventID=" + $($LambdaInput.detail.eventArn) + "|Click here> for details."
+$payload = @{
+        "attachments" = @(@{
+                "color" = "danger"
+                "title" = $title
+                "text"  = $message
+            })
+        "icon_emoji"  = ":rain_cloud:"
+    }
+ConvertTo-Json -Compress -InputObject $payload
+Invoke-WebRequest -UseBasicParsing `
+    -Uri "https://hooks.slack.com/services/XXXX/XXXX/XXXX" `
+    -Method "POST" `
+    -Body (ConvertTo-Json -Compress -InputObject $payload)
+Write-Output $jsonInput

ps-slack-notifier/readme.txt

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+Using PowerShell 6.0 in AWS Lambda functions for forward AWS Health event to slack.
+
+This script require setting up a PowerShell Development Environment
+    1. Install the correct version for PowerShell. AWS Lambda 's support PowerShell Core 6.0. We can find instructions in
+       https://docs.microsoft.com/en-us/powershell/scripting/setup/installing-powershell
+    2. Install the .NET Core 2.1 SDK. You can download from https://www.microsoft.com/net/download
+    3. Install the AWSLambdaPSCore module with command (with admin mode)
+        >Install-Module AWSLambdaPSCore
+    4. If you don't have AWSPowerShell module also need to Install by PowerShell Gallery
+        >Install-Module -Name AWSPowerShell
+
+Slack setup using the same step as https://github.com/aws/aws-health-tools/tree/master/slack-notifier
+
+If not exist AWS Credentials need to setup this first
+    >Set-DefaultAWSRegion us-east-1
+    >Set-AWSCredentials -AccessKey AXXXXXXXXXXXXX -SecretKey SXXXXXXXXXXXXX -StoreAs your-aws-credentails-name
+    >Set-AWSCredentials your-aws-credentails-name
+
+Using AWS Credentials
+    >Set-AWSCredentials your-aws-credentails-name
+
+Publish to AWS Lambda.
+    >Publish-AWSPowerShellLambda -ScriptPath .\PSAwsEventToSlack -Name  PS6AwsEventToSlack -Region us-east-1