diff --git a/src/main/java/com/rak/model/transform/TestRegistry.java b/src/main/java/com/rak/model/transform/TestRegistry.java
new file mode 100644
index 0000000..86c0104
--- /dev/null
+++ b/src/main/java/com/rak/model/transform/TestRegistry.java
@@ -0,0 +1,38 @@
+package com.rak.model.transform;
+
+import jakarta.enterprise.context.ApplicationScoped;
+
+import java.time.LocalDate;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+@ApplicationScoped
+public class TestRegistry {
+    private final Map<String, Transformation> registry = new ConcurrentHashMap<>();
+
+    public TestRegistry() {
+        // Register built-in transformations
+        register("trim", string -> string.trim());
+        register("upper", String::toUpperCase);
+        register("parseInt", s -> Integer.parseInt((String) s));
+        register("parseFloat", s -> Float.parseFloat((String) s));
+        register("parseDate", s -> LocalDate.parse((String) s));
+        register("extract", this::extract);
+    }
+
+    public void register(String name, Transformation transformation) {
+        registry.put(name, transformation);
+    }
+
+    public Transformation get(String name) {
+        return registry.get(name);
+    }
+
+    private Object extract(Object input, String pattern) {
+        Pattern regex = Pattern.compile(pattern);
+        Matcher matcher = regex.matcher((String) input);
+        return matcher.find() ? matcher.group(1) : input;
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/rak/controller/ExampleResource.kt b/src/main/kotlin/com/rak/controller/ExampleResource.kt
index 46612e5..01cd9a4 100644
--- a/src/main/kotlin/com/rak/controller/ExampleResource.kt
+++ b/src/main/kotlin/com/rak/controller/ExampleResource.kt
@@ -32,7 +32,7 @@ class ExampleResource(
         provider: String,
         @RestQuery
         setName: String
-    ): Map<String, String> {
+    ): List<Map<String, String>> {
         return scrapeService.extractSet(
             provider,
             setName
diff --git a/src/main/kotlin/com/rak/model/transform/AbstractTransformation.kt b/src/main/kotlin/com/rak/model/transform/AbstractTransformation.kt
new file mode 100644
index 0000000..8790d26
--- /dev/null
+++ b/src/main/kotlin/com/rak/model/transform/AbstractTransformation.kt
@@ -0,0 +1,3 @@
+package com.rak.model.transform
+
+interface AbstractTransformation
\ No newline at end of file
diff --git a/src/main/kotlin/com/rak/model/transform/ParameterizedTransformation.kt b/src/main/kotlin/com/rak/model/transform/ParameterizedTransformation.kt
new file mode 100644
index 0000000..c0fb037
--- /dev/null
+++ b/src/main/kotlin/com/rak/model/transform/ParameterizedTransformation.kt
@@ -0,0 +1,6 @@
+package com.rak.model.transform
+
+@FunctionalInterface
+fun interface ParameterizedTransformation : AbstractTransformation {
+    fun apply(input: Any, vararg parameters: Any): Any?
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/rak/model/transform/Transformation.kt b/src/main/kotlin/com/rak/model/transform/Transformation.kt
new file mode 100644
index 0000000..2d1051c
--- /dev/null
+++ b/src/main/kotlin/com/rak/model/transform/Transformation.kt
@@ -0,0 +1,6 @@
+package com.rak.model.transform
+
+@FunctionalInterface
+fun interface Transformation : AbstractTransformation {
+    fun apply(input: Any): Any?
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/rak/model/transform/TransformationRegistry.kt b/src/main/kotlin/com/rak/model/transform/TransformationRegistry.kt
new file mode 100644
index 0000000..ba0559d
--- /dev/null
+++ b/src/main/kotlin/com/rak/model/transform/TransformationRegistry.kt
@@ -0,0 +1,27 @@
+package com.rak.model.transform
+
+import jakarta.enterprise.context.ApplicationScoped
+
+@ApplicationScoped
+class TransformationRegistry {
+
+    private val transformations = hashMapOf<String, (input: Any) -> Any>()
+
+    init {
+        register<String>("trim") {
+            (it as String).trim()
+        }
+        register<String>("replace", { s: Any ->
+            Integer.
+        })
+    }
+
+//    fun <T : Any> register(name: String, transformation: (input: Any) -> T) {
+//        transformations[name] = transformation
+//    }
+
+    fun <T : Any> register(name: String, transformation: Transformation) {
+
+    }
+
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/rak/service/ScrapeService.kt b/src/main/kotlin/com/rak/service/ScrapeService.kt
index 1e25082..c8c5095 100644
--- a/src/main/kotlin/com/rak/service/ScrapeService.kt
+++ b/src/main/kotlin/com/rak/service/ScrapeService.kt
@@ -46,7 +46,7 @@ class ScrapeService(
     fun extractSet(
         provider: String,
         setName: String,
-    ): Map<String, String> {
+    ): List<Map<String, String>> {
         val source =
             sourceService.getSourceById(provider) ?: throw IllegalArgumentException("Provider $provider not found")
 
@@ -55,26 +55,28 @@ class ScrapeService(
         val document: Document = Jsoup.connect("https://${source.getDomain()}/$path").get()
         val regionalSetSelector = source.getItems().regionalSet().get()
 
-        val regionalSetRoot = document.selectFirst(regionalSetSelector.rootSelector().value())!!
+        val regionalSetRoot = document.select(regionalSetSelector.rootSelector().value())
 
-        val setId: String? = extractTextFromRootBySteps(
-            regionalSetRoot,
-            regionalSetSelector.idSelector().steps()
-        )
-        val setLanguage: String? = extractTextFromRootBySteps(
-            regionalSetRoot,
-            regionalSetSelector.languageSelector().steps()
-        )
-        val setKey: String? = extractTextFromRootBySteps(
-            regionalSetRoot,
-            regionalSetSelector.regionKeySelector().steps()
-        )
+        return regionalSetRoot.map {
+            val setId: String? = extractTextFromRootBySteps(
+                it,
+                regionalSetSelector.idSelector().steps()
+            )
+            val setLanguage: String? = extractTextFromRootBySteps(
+                it,
+                regionalSetSelector.languageSelector().steps()
+            )
+            val setKey: String? = extractTextFromRootBySteps(
+                it,
+                regionalSetSelector.regionKeySelector().steps()
+            )
 
-        return mapOf(
-            Pair("id", setId ?: "N/A"),
-            Pair("language", setLanguage ?: "N/A"),
-            Pair("key", setKey ?: "N/A"),
-        )
+            mapOf(
+                Pair("id", setId ?: "N/A"),
+                Pair("language", setLanguage ?: "N/A"),
+                Pair("key", setKey ?: "N/A"),
+            )
+        }
     }