setting.json

[
    {
        "SharedName": "Share1",
        "SharedDirectoryPath": "E:\\shares1\\",
        "PermitAccount": "Everyone",
        "Permission": "Full",
        "Quota": "500mb",
        "VSS": {
            "On": "E:",
            "Size": "50%"
        }
    },
    {
        "SharedName": "Share2",
        "SharedDirectoryPath": "E:\\shares2\\",
        "PermitAccount": "Everyone",
        "Permission": "Full"
    },
    {
        "SharedName": "Share3",
        "SharedDirectoryPath": "E:\\shares3\\",
        "PermitAccount": "Everyone",
        "Permission": "Full",
        "Quota": ""
    }

]

smbshare.ps1

$scriptRoot = Split-Path (Resolve-Path $myInvocation.MyCommand.Path)
$settings = Get-Content($scriptRoot + "\setting.json") -Raw | ConvertFrom-Json

Import-Module ServerManager
Install-WindowsFeature -Name File-Services,FS-VSS-Agent,FS-Resource-Manager
foreach ($item in $settings) {

    # Test Path
    if (-not (Test-Path ${item}.SharedDirectoryPath)) {
        New-Item ${item}.SharedDirectoryPath -Type Directory
    }

    if (Get-SmbShare -Name ${item}.SharedName -ErrorAction SilentlyContinue) {
        "ShareDir: ${item}.SharedName already exists."
        Exit
    }
    else {
        # create SMB sahre
        New-SmbShare -Name ${item}.SharedName -Path ${item}.SharedDirectoryPath
    }
    Grant-SmbShareAccess -Name ${item}.SharedName -AccountName ${item}.PermitAccount -AccessRight ${item}.Permission -Force
    
    # Setup Disk quota.
    if ((${item}.Quota -ne $null) -and (${item}.Quota -ne "")) {
        $command = "$env:windir\system32\dirquota quota add /path:" + ${item}.SharedDirectoryPath + " /limit:" + ${item}.Quota
	    & $executionContext.InvokeCommand.NewScriptBlock($command)
    }

    # Setup VSS
    if (${item}.VSS -ne $null) {
        $Driveletter = Split-Path ${item}.SharedDirectoryPath -Qualifier
        $command = "$env:windir\system32\vssadmin Add ShadowStorage /For=" + ${Driveletter} + " /On=" + ${item}.VSS.On + " /Maxsize=" + ${item}.VSS.Size
        & $executionContext.InvokeCommand.NewScriptBlock($command)
    }
}