diff --git a/spec/integration/harness/hook.sh b/spec/integration/harness/hook.sh
new file mode 100644
index 0000000..5a999b9
--- /dev/null
+++ b/spec/integration/harness/hook.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+
+source scripts/shArg.sh
+
+declare MESSAGE
+
+messageHook() {
+  local message=$1
+
+  echo "message hooked invoked with $message"
+  echo "Global variable is still available $MESSAGE"
+}
+
+# register arguments
+shArgs.arg "MESSAGE" -m --message PARAMETER true messageHook
+
+# parse inputs
+shArgs.parse $@
+
+
diff --git a/spec/integration/harness/list.sh b/spec/integration/harness/list.sh
new file mode 100644
index 0000000..4fe0b59
--- /dev/null
+++ b/spec/integration/harness/list.sh
@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+source scripts/shArg.sh
+
+declare IPS
+shArgs.arg "IPS" -i --ips PARAMETER true 
+shArgs.parse $@
+
+for ip in $IPS
+do
+    echo "ip: $ip"
+done
diff --git a/spec/integration/hook_spec.sh b/spec/integration/hook_spec.sh
new file mode 100644
index 0000000..2152b3c
--- /dev/null
+++ b/spec/integration/hook_spec.sh
@@ -0,0 +1,11 @@
+ Describe 'shArg'
+  Include spec/integration/harness/runner.sh
+
+  Context "Simple Script Tests"
+    It 'should parse a csv parameter'
+      When call run_file "spec/integration/harness/hook.sh"  "-m great123"
+      The output should equal "message hooked invoked with great123 Global variable is still available great123"
+    End
+
+  End
+End
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diff --git a/spec/integration/list_spec.sh b/spec/integration/list_spec.sh
new file mode 100644
index 0000000..2968262
--- /dev/null
+++ b/spec/integration/list_spec.sh
@@ -0,0 +1,16 @@
+ Describe 'shArg'
+  Include spec/integration/harness/runner.sh
+
+  Context "Simple Script Tests"
+    It 'should parse a csv parameter'
+      When call run_file "spec/integration/harness/list.sh"  "-i 123,456"
+      The output should equal "ip: 123 ip: 456"
+    End
+
+    It 'should parse a space delimited parameter'
+      When call run_file "spec/integration/harness/list.sh"  "-i 888 777"
+      The output should equal "ip: 888 ip: 777"
+    End    
+
+  End
+End
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