Private/Get-Query.ps1

function Get-Query {
<#
.SYNOPSIS
    Outputs an array of query values from input
.PARAMETER ENDPOINT
    Soltra endpoint
.PARAMETER DYNAMIC
    A runtime parameter dictionary to search for input values
#>

    [CmdletBinding()]
    [OutputType()]
    param(
        [Parameter(
            Mandatory = $true,
            Position = 1)]
        [object] $Endpoint,

        [Parameter(
            Mandatory = $true,
            Position = 2)]
        [System.Collections.ArrayList] $Dynamic
    )
    process {
        $QueryOutput = foreach ($Item in ($Dynamic.Values | Where-Object IsSet)) {
            # Match input parameter with endpoint
            $Param = $Endpoint.Parameters | Where-Object Dynamic -eq $Item.Name

            if ($Param.In -match 'query') {
                foreach ($Value in $Item.Value) {
                    # Output query value
                    ,"$($Param.Name)=$($Value)"
                }
            }
        }
        if ($QueryOutput) {
            Write-Debug "[$($MyInvocation.MyCommand.Name)] $($QueryOutput -join ', ')"

            # Output query value(s)
            $QueryOutput
        }
    }
}