Calling build2 with arguments gathered from build1

build1.ps1

param (
    [string]$test,
    $buildArgs
)

echo $buildArgs.test

./build2.ps1 @buildArgs

build2.ps1

param (
    [Parameter(Mandatory=$true)][string]$test
)

echo "Build2 invoked"
echo $test

output.md

./build.ps1 -test "Hiya" -buildArgs @{ "test" = "my value to you" }
# my value to you
# Build2 invoked
# my value to you