functions/Mde/recommendations/Get-MdRecommendation.ps1

function Get-MdRecommendation {
<#
.SYNOPSIS
    Retrieves a list of all security recommendations affecting the organization.
 
.DESCRIPTION
    Retrieves a list of all security recommendations affecting the organization.
 
    Scopes required (delegate auth): SecurityRecommendation.Read
 
.PARAMETER RecommendationID
    ID of the recommendation to retrieve.
 
.EXAMPLE
    PS C:\> Get-MdRecommendation
 
    Lists all security recommendations
 
.EXAMPLE
    PS C:\> Get-MdRecommendation -RecommendationID $recommendationid
 
    <insert description here>
 
.LINK
    https://docs.microsoft.com/en-us/microsoft-365/security/defender-endpoint/get-all-recommendations?view=o365-worldwide
#>

    [CmdletBinding(DefaultParameterSetName = 'default')]
    param (
        [Parameter(Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true, ParameterSetName = 'GetRecommendationById')]
        [Alias('Id')]
        [string]
        $RecommendationID
    )
    process {
        $__mapping = @{

        }

        $__param = @{
            Body = $PSBoundParameters | ConvertTo-HashTable -Include @() -Mapping $__mapping
            Query = $PSBoundParameters | ConvertTo-HashTable -Include @() -Mapping $__mapping
            Header = $PSBoundParameters | ConvertTo-HashTable -Include @() -Mapping $__mapping
            Path = 'recommendations'
            Method = 'get'
            RequiredScopes = 'SecurityRecommendation.Read'
            
        }
        if ($RecommendationID) { $__param.Path += "/$RecommendationID" }
        $__param += $PSBoundParameters | ConvertTo-HashTable -Include 'ErrorAction', 'WarningAction', 'Verbose'

        try { Invoke-DefenderAPIRequest @__param }
        catch { $PSCmdlet.ThrowTerminatingError($_) }
    }
}