diff --git a/gtk4.nix b/gtk4.nix
index 4a3db9e..849d963 100644
--- a/gtk4.nix
+++ b/gtk4.nix
@@ -21,4 +21,9 @@ in pkgs.mkShell {
       python-pkgs.debian
     ]))
   ];
+  shellHook = ''
+    export GSETTINGS_SCHEMAS_PATH="$(pwd "$0")/schemas:$GSETTINGS_SCHEMAS_PATH"
+    export GSETTINGS_SCHEMA_DIR="$(pwd "$0")/schemas:$GSETTINGS_SCHEMA_DIR"
+    export XDG_DATA_DIRS="$(pwd "$0")/schemas:$XDG_DATA_DIRS"
+  '';
 }
\ No newline at end of file
diff --git a/schemas/com.asandikci.pardus-security-center.gschema.xml b/schemas/com.asandikci.pardus-security-center.gschema.xml
new file mode 100644
index 0000000..94c3f10
--- /dev/null
+++ b/schemas/com.asandikci.pardus-security-center.gschema.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<schemalist>
+  <schema id="com.asandikci.pardus-security-center" path="/com/asandikci/pardus-security-center/">
+      <key name="first-run" type="b">
+          <default>true</default>
+          <summary>First Run</summary>
+          <description>Did application run before or is this first run?</description>
+      </key>
+  </schema>
+</schemalist>
\ No newline at end of file
diff --git a/schemas/compile-schemas.sh b/schemas/compile-schemas.sh
new file mode 100755
index 0000000..6e78dd5
--- /dev/null
+++ b/schemas/compile-schemas.sh
@@ -0,0 +1,2 @@
+cd $(dirname "$0")
+glib-compile-schemas .
\ No newline at end of file
diff --git a/schemas/gschemas.compiled b/schemas/gschemas.compiled
new file mode 100644
index 0000000..8a383b7
Binary files /dev/null and b/schemas/gschemas.compiled differ