Create ADFS Relying Party with custom rules

param(
    $relyingPartyUrl,
    $ruleFilePath
)

Import-Module ADFS

$party = Get-ADFSRelyingPartyTrust -Name "$relyingPartyUrl"

if($party)
{
    Write-Host "Removing Relying Party $relyingPartyUrl"
    $party  | Remove-ADFSRelyingPartyTrust
}

Write-Host "Creating relying party $relyingPartyUrl"
Add-ADFSRelyingPartyTrust -Name "$relyingPartyUrl" `
                            -Identifier "$relyingPartyUrl" `
                            -WSFedEndpoint "$relyingPartyUrl" `
                            -IssuanceAuthorizationRules "@RuleTemplate=`"AllowAllAuthzRule`" => issue(Type = `"http://schemas.microsoft.com/authorization/claims/permit`", Value=`"true`");"

$party = Get-ADFSRelyingPartyTrust -Name "$relyingPartyUrl"

Write-Host "Adding Claim Transform Rules"

$ruleFilePath = Resolve-Path $ruleFilePath

$rulesString = [System.IO.File]::ReadAllText($ruleFilePath)
Write-Host $rulesString

$party | Set-ADFSRelyingPartyTrust -IssuanceTransformRules $rulesString