diff --git a/lib/puppet/functions/hashi_stack/to_hcl.rb b/lib/puppet/functions/hashi_stack/to_hcl.rb
new file mode 100644
index 0000000..0e5a9c6
--- /dev/null
+++ b/lib/puppet/functions/hashi_stack/to_hcl.rb
@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require 'hcl2-rb'
+# @summary
+#   Convert a data structure and output it as YAML
+Puppet::Functions.create_function(:'hashi_stack::to_hcl') do
+  # @param data
+  #   The data you want to convert to YAML
+  # @param options
+  #   A hash of options that will be passed to Ruby's Psych library. Note, this could change between Puppet versions, but at time of writing these are `line_width`, `indentation`, and `canonical`.
+  #
+  # @example Output YAML to a file
+  #   file { '/tmp/my.yaml':
+  #     ensure  => file,
+  #     content => hashi_stack::to_hcl($myhash),
+  #   }
+  # @example Use options to control the output format
+  #   file { '/tmp/my.yaml':
+  #     ensure  => file,
+  #     content => hashi_stack::to_hcl($myhash, {spaces => 2, tab => 0})
+  #   }
+  #
+  # @return [String] The YAML document
+  dispatch :to_hcl do
+    param 'Any', :data
+    optional_param 'Hash', :options
+  end
+
+  def to_hcl(data, options = {})
+    data.to_hcl2(options.transform_keys(&:to_sym))
+  end
+end
diff --git a/manifests/config_file.pp b/manifests/config_file.pp
new file mode 100644
index 0000000..dcdefdf
--- /dev/null
+++ b/manifests/config_file.pp
@@ -0,0 +1,9 @@
+# @summary A short summary of the purpose of this defined type.
+#
+# A description of what this defined type does
+#
+# @example
+#   hashi_stack::config_file { 'namevar': }
+define hashi_stack::config_file (
+) {
+}
diff --git a/spec/defines/config_file_spec.rb b/spec/defines/config_file_spec.rb
new file mode 100644
index 0000000..fd8bb6c
--- /dev/null
+++ b/spec/defines/config_file_spec.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'hashi_stack::config_file' do
+  let(:title) { 'namevar' }
+  let(:params) do
+    {}
+  end
+
+  on_supported_os.each do |os, os_facts|
+    context "on #{os}" do
+      let(:facts) { os_facts }
+
+      it { is_expected.to compile }
+    end
+  end
+end