vscode snippet for a dynamic parameter of aws regions

AwsRegionDynamicParameterPowershell.json

"AWS_Region_Dynamic_Param": {
    "prefix": "aws_region",
    "body": [
        "DynamicParam {",
        "\t$ParamDictionary = New-Object System.Management.Automation.RuntimeDefinedParameterDictionary",
        "\t$CR_ParamName = 'Region'",
        "\t$CR_AttributeCollection = New-Object System.Collections.ObjectModel.Collection[System.Attribute]",
        "\t$CR_Attribute = New-Object System.Management.Automation.ParameterAttribute",
        "\t$CR_Attribute.HelpMessage = 'List all the regions to be included in the document'",
        "\t$CR_Attribute.Mandatory = $true",
        "\t$CR_Attribute.ValueFromPipelineByPropertyName = $true",
        "\t$CR_AttributeCollection.add($CR_Attribute)",
        "\t$CR_intRegions = Get-AWSRegion -IncludeChina | Select-Object -ExpandProperty Region",
        "\t$CR_intRegions += Get-AWSRegion -IncludeGovCloud | Select-Object -ExpandProperty Region",
        "\t$CR_intRegions = $CR_intRegions | Select-Object -Unique",
        "\t$CR_ValidateSetAttribute = New-Object System.Management.Automation.ValidateSetAttribute($CR_intRegions)",
        "\t$CR_AttributeCollection.add($CR_ValidateSetAttribute)",
        "\t$CR_Param = New-Object System.Management.Automation.RuntimeDefinedParameter($CR_ParamName, [String[]],$CR_AttributeCollection)",
        "\t$ParamDictionary.Add($CR_ParamName, $CR_Param)",
        "\treturn $paramDictionary",
        "\t}"
    ],
    "description": "A dynamic parameter that builds a list of AWS regions, requires"
}