1 files changed, 24 insertions, 0 deletions
diff --git a/lib/gitlab/ci/config/header/spec.rb b/lib/gitlab/ci/config/header/spec.rb
new file mode 100644
index 00000000000..98d6d0d5783
--- /dev/null
+++ b/lib/gitlab/ci/config/header/spec.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    class Config
+      module Header
+        class Spec < ::Gitlab::Config::Entry::Node
+          include ::Gitlab::Config::Entry::Configurable
+
+          ALLOWED_KEYS = %i[inputs].freeze
+
+          validations do
+            validates :config, type: Hash, allowed_keys: ALLOWED_KEYS
+          end
+
+          entry :inputs, ::Gitlab::Config::Entry::ComposableHash,
+            description: 'Allowed input parameters used for interpolation.',
+            inherit: false,
+            metadata: { composable_class: ::Gitlab::Ci::Config::Header::Input }
+        end
+      end
+    end
+  end
+end