diff --git a/haskell/lib/P2Prc.hs b/haskell/lib/Engine.hs
similarity index 93%
rename from haskell/lib/P2Prc.hs
rename to haskell/lib/Engine.hs
index 9b710f4..ee0d232 100644
--- a/haskell/lib/P2Prc.hs
+++ b/haskell/lib/Engine.hs
@@ -1,9 +1,14 @@
 {-# LANGUAGE OverloadedStrings #-}
 
-module P2Prc ( runP2Prc ) where
+module Engine
+  ( runP2PRC
+  )
+  where
+
 
 
 import System.Process ( terminateProcess )
+
 import Control.Concurrent ( threadDelay )
 
 import API
@@ -34,8 +39,8 @@ import API
 --
 
 
-runP2Prc :: IO ()
-runP2Prc = do
+runP2PRC :: Int -> String -> IO ()
+runP2PRC portNumber domainName = do
 
   --
   -- TODO: add quickcheck testing (quickchecking-dynamic)
@@ -98,7 +103,7 @@ runP2Prc = do
           outputStr <- execListServers
           print outputStr
 
-          mapPortOut <- execMapPort $ MkMapPortRequest 3333 "domain"
+          mapPortOut <- execMapPort $ MkMapPortRequest portNumber domainName
 
 
           case mapPortOut of
diff --git a/haskell/lib/P2PRC.hs b/haskell/lib/P2PRC.hs
new file mode 100644
index 0000000..a5aaad4
--- /dev/null
+++ b/haskell/lib/P2PRC.hs
@@ -0,0 +1,9 @@
+module P2PRC
+  ( runP2PRC
+  )
+  where
+
+
+import Engine
+  ( runP2PRC
+  )
diff --git a/haskell/p2prc.cabal b/haskell/p2prc.cabal
index db05be8..1b0228c 100644
--- a/haskell/p2prc.cabal
+++ b/haskell/p2prc.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 
-name:         p2prc
+name:               p2prc
 
 -- See the Haskell package versioning policy (PVP) for standards
 -- guiding when and how versions should be incremented.
@@ -10,9 +10,9 @@ name:         p2prc
 --                  | | | +--- code changes with no API change
 version:            0.1.0.0
 
-synopsis: p2prc haskell library
+synopsis:           P2PRC haskell library
 
-description: Implements a client interface to the P2PRC networking runtime
+description:        Implements a client interface to the P2PRC networking runtime
 
 license:            GPL-3.0-only
 
@@ -29,29 +29,26 @@ extra-doc-files:    README.md
 
 
 common warnings
-    ghc-options: -Wall
+    ghc-options:        -Wall
 
 executable p2prc
 
-    import:           warnings
+    import:             warnings
 
-    hs-source-dirs:   src
+    hs-source-dirs:     src
 
-    main-is:          Main.hs
+    main-is:            Main.hs
 
-    -- Modules included in this executable, other than Main.
-    -- other-modules:    Example
-
-    other-extensions: OverloadedStrings
+    other-extensions:   OverloadedStrings
 
     build-depends:      base
                       , p2prc
 
-    default-language: GHC2021
+    default-language:   GHC2021
 
 library
 
-    import:           warnings
+    import:             warnings
 
     build-depends:      base
                       , text
@@ -60,14 +57,15 @@ library
                       , bytestring
                       , directory
 
-    hs-source-dirs:   lib
+    hs-source-dirs:     lib
 
-    exposed-modules:  P2Prc
+    exposed-modules:    P2PRC
 
     other-modules:      API
+                      , Engine
                       , CLI
                       , Environment
                       , JSON
                       , Error
 
-    default-language: GHC2021
+    default-language:   GHC2021
diff --git a/haskell/src/Main.hs b/haskell/src/Main.hs
index 55d6b1d..fe3d37c 100644
--- a/haskell/src/Main.hs
+++ b/haskell/src/Main.hs
@@ -1,9 +1,11 @@
 
 module Main where
 
-import P2Prc (runP2Prc)
+import P2PRC
+  ( runP2PRC
+  )
 
 
 main :: IO ()
 main =
-  runP2Prc
+  runP2PRC 3333 "jose.akilan.io"