diff --git a/buffet/commands/command_instance.h b/buffet/commands/command_instance.h
new file mode 100644
index 0000000..0028c88
--- /dev/null
+++ b/buffet/commands/command_instance.h
@@ -0,0 +1,52 @@
+// Copyright 2014 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef BUFFET_COMMANDS_COMMAND_INSTANCE_H_
+#define BUFFET_COMMANDS_COMMAND_INSTANCE_H_
+
+#include <map>
+#include <memory>
+#include <string>
+
+#include <base/basictypes.h>
+
+#include "buffet/commands/prop_values.h"
+#include "buffet/commands/schema_utils.h"
+
+namespace buffet {
+
+class CommandInstance final {
+ public:
+  // Construct a command instance given the full command |name| which must
+  // be in format "<package_name>.<command_name>", a command |category| and
+  // a list of parameters and their values specified in |parameters|.
+  CommandInstance(const std::string& name, const std::string& category,
+                  const native_types::Object& parameters);
+
+  // Returns the full name of the command.
+  const std::string& GetName() const { return name_; }
+  // Returns the command category.
+  const std::string& GetCategory() const { return category_; }
+  // Returns the command parameters and their values.
+  const native_types::Object& GetParameters() const { return parameters_; }
+  // Finds a command parameter value by parameter |name|. If the parameter
+  // with given name does not exist, returns null shared_ptr.
+  std::shared_ptr<const PropValue> FindParameter(const std::string& name) const;
+
+ private:
+  // Full command name as "<package_name>.<command_name>".
+  std::string name_;
+  // Command category. See comments for CommandDefinitions::LoadCommands for the
+  // detailed description of what command categories are and what they are used
+  // for.
+  std::string category_;
+  // Command parameters and their values.
+  native_types::Object parameters_;
+
+  DISALLOW_COPY_AND_ASSIGN(CommandInstance);
+};
+
+}  // namespace buffet
+
+#endif  // BUFFET_COMMANDS_COMMAND_INSTANCE_H_