Pester test that will validate all parameters that doesn't have a default value and see if there is an example with the specified parameter or not. Fails if not.

Test-ParametersInExamples.ps1

<#
Invoke-Pester -Path "C:\GIT\GITHUB\d365fo.tools.Workspace\Test-ParametersInExamples.ps1" -OutputFile 'C:\Temp\d365fo.tools_pester_results.xml' -OutputFormat NUnitXml
C:\GIT\GITHUB\dbatools.Workspace\ReportUnit.exe "C:\Temp\d365fo.tools_pester_results.xml" "C:\Temp\PesterReport-d365fo.tools.html"
Start-Process "C:\Temp\PesterReport-d365fo.tools.html"
#>

$moduleName = "d365fo.tools"
$path = "C:\GIT\GITHUB\$moduleName.Workspace\$moduleName\$moduleName"

Import-Module $path -Force

$excludeCommands = @()
$excludeParameters = @('EnableException'
    , 'TrustedConnection'
    , 'Force'
    , 'Temporary'
    , 'OutputCommandOnly'
    , 'ShowOriginalProgress'
    , 'OutputAsHashtable'
    )

$commandsRaw = Get-Command -Module $moduleName

if ($excludeCommands.Count -gt 0) {
    $commands = $commandsRaw | Select-String -Pattern $excludeCommands -SimpleMatch -NotMatch

}
else {
    $commands = $commandsRaw
}

#Limit the number of commands that you will be working against.
# $commands = @('Switch-D365ActiveDatabase','Disable-D365MaintenanceMode','Enable-D365MaintenanceMode')

foreach ( $commandName in $commands) {
    # command to be tested

    # get all examples from the help
    $examples = Get-Help $commandName -Examples

    $parameters = (Get-Help $commandName -Full).parameters

    # make a describe block that will contain tests for this
    Describe "Parameters without default vaules from $commandName" {
        
        foreach ($parm in $parameters.parameter) {
            if ($parm.defaultValue -ne "False") { continue }
            
            $parmName = $parm.name
            
            if ($parmName -in $excludeParameters) { continue }

            $res = $false

            foreach ($exampleObject in $examples.Examples.Example) {
                if ($res) { continue }

                $example = $exampleObject.Code -replace "`n.*" -replace "PS C:\\>"

                $res = $example -match "-$parmName( *|\:)"
            }

            It "$parmName is present in an example" {
                $res | Should -BeTrue
            }
        }
    }
}