functions/configuration/Get-PSFConfig.ps1

function Get-PSFConfig
{
    <#
        .SYNOPSIS
            Retrieves configuration elements by name.
         
        .DESCRIPTION
            Retrieves configuration elements by name.
            Can be used to search the existing configuration list.
     
        .PARAMETER FullName
            Default: "*"
            Search for configurations using the full name
         
        .PARAMETER Name
            Default: "*"
            The name of the configuration element(s) to retrieve.
            May be any string, supports wildcards.
         
        .PARAMETER Module
            Default: "*"
            Search configuration by module.
         
        .PARAMETER Force
            Overrides the default behavior and also displays hidden configuration values.
         
        .EXAMPLE
            PS C:\> Get-PSFConfig 'Mail.To'
             
            Retrieves the configuration element for the key "Mail.To"
     
        .EXAMPLE
            PS C:\> Get-PSFConfig -Force
     
            Retrieve all configuration elements from all modules, even hidden ones.
    #>

    [OutputType([PSFramework.Configuration.Config])]
    [CmdletBinding(DefaultParameterSetName = "FullName")]
    Param (
        [Parameter(ParameterSetName = "FullName", Position = 0)]
        [string]
        $FullName = "*",
        
        [Parameter(ParameterSetName = "Module", Position = 1)]
        [string]
        $Name = "*",
        
        [Parameter(ParameterSetName = "Module", Position = 0)]
        [string]
        $Module = "*",
        
        [switch]
        $Force
    )
    
    switch ($PSCmdlet.ParameterSetName)
    {
        "Module"
        {
            $Name = $Name.ToLower()
            $Module = $Module.ToLower()
            
            [PSFramework.Configuration.ConfigurationHost]::Configurations.Values | Where-Object { ($_.Name -like $Name) -and ($_.Module -like $Module) -and ((-not $_.Hidden) -or ($Force)) } | Sort-Object Module, Name
        }
        
        "FullName"
        {
            [PSFramework.Configuration.ConfigurationHost]::Configurations.Values | Where-Object { ("$($_.Module).$($_.Name)" -like $FullName) -and ((-not $_.Hidden) -or ($Force)) } | Sort-Object Module, Name
        }
    }
}