Create Azure DevOps WIKI Documentation

Create-WIKIDocumentation.ps1

<#
    PowerShell script to create Azure DevOps WIKI Markdown Documentation

    https://docs.microsoft.com/en-US/rest/api/azure/devops/wiki/pages/create%20or%20update?view=azure-devops-rest-5.0#examples
    https://medium.com/digikare/create-automatic-release-notes-on-azuredevops-f235376ec533

    Requirements:
    - PSDocs PowerShell Module (Install-Module -Name PSDocs)
#>

#region variables
$OrganizationName = '[enter Azure DevOps Organization Name]'
$ProjectName = '[enter Azure DevOps Project Name]'
$PAT = '[enter Personal Access Token]'
$WikiName = '{projectname}.wiki'
#endregion

#region Create WIKI MarkDown Content
Document 'Create-MarkdownTable' {

    'Demo for creating WIKI Pages'

    Section 'Process Table' {
        $InputObject | Table
    } 
}

# Generate markdown for the inline document
$options = New-PSDocumentOption -Option @{ 'Markdown.UseEdgePipes' = 'Always'; 'Markdown.ColumnPadding' = 'None' };
$null = [PSDocs.Configuration.PSDocumentOption]$Options
$InputObject = Get-Service | Select-Object -First 5
$Content = Create-MarkdownTable -InputObject $InputObject -Option $Options -PassThru
#endregion

#region Create WIKI page
$uri = ('https://dev.azure.com/{0}/{1}/_apis/wiki/wikis/{2}/pages?path={3}&api-version=5.0' -f $OrganizationName, $ProjectName, $WikiName, 'demopage')

$Header = @{
    'Authorization' = 'Basic ' + [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(":$($PAT)")) 
}

$params = @{
    'Uri'         = $uri
    'Headers'     = $Header
    'Method'      = 'Put'
    'ContentType' = 'application/json; charset=utf-8'
    'body'        = @{content = $content; } | ConvertTo-Json
}

Invoke-RestMethod @params
#endregion

#region delete page
$uri = ('https://dev.azure.com/{0}/{1}/_apis/wiki/wikis/{2}/pages?path={3}&api-version=5.0' -f $OrganizationName, $ProjectName, $WikiName, 'demopage')
$Header = @{
    'Authorization' = 'Basic ' + [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes(":$($PAT)")) 
}

$params = @{
    'Uri'         = $uri
    'Headers'     = $Header
    'Method'      = 'Delete'
    'ContentType' = 'application/json; charset=utf-8'
}

Invoke-RestMethod @params
#endregion