Send-Notification.ps1

function Send-Notification {
	param(
		[Parameter(Mandatory = $true, ValueFromPipelineByPropertyName = $true)]
		[string] $Component,
		[Parameter(Mandatory = $true, ValueFromPipelineByPropertyName = $true)]
		[ValidateSet("Debug","Information","Warning","Error","Validation")]
		[string] $MessageType,
		[Parameter(Mandatory = $true, ValueFromPipelineByPropertyName = $true)]
		[string[]] $Tags,
		[Parameter(Mandatory = $true, ValueFromPipelineByPropertyName = $true)]
		[string] $ID,
		[Parameter(Mandatory = $true, ValueFromPipelineByPropertyName = $true)]
		[string] $Message,
		[Parameter(ValueFromPipelineByPropertyName = $true)]
		[string] $CreatedBy = $env:USERNAME,
		[Parameter(ValueFromPipelineByPropertyName = $true)]
		[DateTime] $CreatedDate = [DateTime]::Now
	)

	$notification = New-Notification @PSBoundParameters

	. "$($global:Notifications.AMModule)\Save-Notification" -Notification $notification

	$subscriptions = . "$($global:Notifications.CMModule)\Select-MatchingSubscription" `
							-Component $Component `
							-MessageType $MessageType `
							-Tags $Tags

	foreach($subscription in $subscriptions) {
		$senderModule = "NS{0}" -f $subscription.ContactType
		if((Get-Module $senderModule) -eq $null) {
			throw (
				("Send-Notification: Sub-module '{0}' needs to be loaded before notifications " +
				"can be sent to the {1} contact type. If this is an unknown contact type, please " +
				"ensure the subscription which contains that contact type is updated to a known type.") -f
				$senderModule, $subscription.ContactType
			)
		}

		. "$senderModule\Send-NotificationToSubscription" -Notification $notification -Subscription $subscription
	}
}