Get Azure API Management Git Credential Password

Get-AzureRMApiManagementGitCredential.ps1

param
(
    [Parameter(Mandatory = $True)]
    [System.String]
    $SubscriptionId,

    [Parameter(Mandatory = $True)]
    [System.String]
    $ResourceGroup,

    [Parameter(Mandatory = $True)]
    [System.String]
    $ServiceName,

    [Parameter()]
    [ValidateSet('primary','secondary')]
    [System.String]
    $KeyType = 'primary',

    [Parameter()]
    [timespan]
    $ExpiryTimespan = (New-Timespan -Hours 2)
    
)

$context = New-AzureRmApiManagementContext -ResourceGroupName $ResourceGroup -ServiceName $ServiceName

// Correction thanks to @Shaun Titus
$expiry = (Get-Date).ToUniversalTime() + $ExpiryTimespan
$parameters = @{
    "keyType"= $KeyType
    "expiry"= ('{0:yyyy-MM-ddTHH:mm:ss.000Z}' -f $expiry)
}

$resourceId = '/subscriptions/{0}/resourceGroups/{1}/providers/Microsoft.ApiManagement/service/{2}/users/git' -f $SubscriptionId,$ResourceGroup,$ServiceName

$gitUsername = 'apim'
$gitPassword = (Invoke-AzureRmResourceAction -Action 'token' -ResourceId $resourceId -Parameters $parameters -ApiVersion '2016-10-10' -Force).Value

return @{
    GitUsername = $gitUsername
    GitPassword = $gitPassword
}