diff --git a/README.md b/README.md
index cb98b60..763cf4c 100644
--- a/README.md
+++ b/README.md
@@ -54,12 +54,14 @@ str = String.build do |__kilt_io__|
   Kilt.embed "path/to/template.slang"
 end
 
+# or `Kilt.render "path/to/template.slang"`
+
 puts str # => <compiled template>
 ```
 
 ## Registering your own template engine
 
-Use `Kilt.register_template(extension, embed_command)` macro:
+Use `Kilt.register_engine(extension, embed_command)` macro:
 
 ```crystal
 require "kilt"
@@ -70,7 +72,7 @@ module MyEngine
   end
 end
 
-Kilt.register_template("myeng", ::MyEngine.embed)
+Kilt.register_engine("myeng", ::MyEngine.embed)
 ```
 
 This can be part of your own `my-engine` library: in this case it should depend
@@ -90,3 +92,4 @@ Please contribute your own "adapter" if you create a template language for Cryst
 ## Contributors
 
 - [jeromegn](https://github.com/jeromegn) Jerome Gravel-Niquet - creator, maintainer
+- [waterlink](https://github.com/waterlink) Oleksii Fedorov
\ No newline at end of file
diff --git a/spec/kilt_spec.cr b/spec/kilt_spec.cr
index 98f4d73..bce3d6f 100644
--- a/spec/kilt_spec.cr
+++ b/spec/kilt_spec.cr
@@ -19,7 +19,7 @@ describe Kilt do
   end
 
   it "raises with unsupported filetype" do
-    expect_raises(Kilt::Exception, "Unsupported template type \"abc\"") {
+    expect_raises(Kilt::Exception, "Unsupported template engine for extension: \"abc\"") {
       render_file("test.abc")
     }
   end
diff --git a/spec/spec_helper.cr b/spec/spec_helper.cr
index 78f6f85..1c6ca4e 100644
--- a/spec/spec_helper.cr
+++ b/spec/spec_helper.cr
@@ -2,7 +2,7 @@ require "spec"
 require "../src/kilt"
 
 require "slang"
-Kilt.register_template("slang", embed_slang)
+Kilt.register_engine("slang", embed_slang)
 
 macro render_file(filename)
   String.build do |__io__|
diff --git a/src/kilt.cr b/src/kilt.cr
index b33c225..6c05e45 100644
--- a/src/kilt.cr
+++ b/src/kilt.cr
@@ -3,27 +3,33 @@ require "./kilt/*"
 
 module Kilt
   # macro only constant
-  TEMPLATES = {} of String => Int32
+  ENGINES = {} of String => Int32
 
-  macro register_template(ext, embed_macro)
-    {% ::Kilt::TEMPLATES[ext] = embed_macro %}
+  macro register_engine(ext, embed_macro)
+    {% Kilt::ENGINES[ext] = embed_macro.id %}
   end
 
-  macro embed(filename, io_name = "__kilt_io__")
+  macro embed(filename, io_name = "__kilt_io__", *args)
     {% ext = filename.split(".").last %}
 
-    {% if ::Kilt::TEMPLATES[ext] %}
-      {{::Kilt::TEMPLATES[ext]}}({{filename}}, {{io_name}})
+    {% if Kilt::ENGINES[ext] %}
+      {{Kilt::ENGINES[ext]}}({{filename}}, {{io_name}}, {{*args}})
     {% else %}
-      raise Kilt::Exception.new("Unsupported template type \"" + {{ext}} + "\"")
+      raise Kilt::Exception.new("Unsupported template engine for extension: \"" + {{ext}} + "\"")
     {% end %}
   end
 
-  macro file(filename, io_name = "__kilt_io__")
+  macro render(filename, *args)
+    String.build do |__kilt_io__|
+      Kilt.embed({{filename}}, "__kilt_io__", {{*args}})
+    end
+  end
+
+  macro file(filename, io_name = "__kilt_io__", *args)
     def to_s({{io_name.id}})
-      Kilt.embed({{filename}}, {{io_name}})
+      Kilt.embed({{filename}}, {{io_name}}, {{*args}})
     end
   end
 end
 
-::Kilt.register_template("ecr", embed_ecr)
+Kilt.register_engine("ecr", embed_ecr)
diff --git a/src/kilt/version.cr b/src/kilt/version.cr
index 6857872..b4d3aec 100644
--- a/src/kilt/version.cr
+++ b/src/kilt/version.cr
@@ -1,3 +1,3 @@
 module Kilt
-  VERSION = "0.1.1"
+  VERSION = "0.2.0"
 end