diff --git a/Backend/tools-services/src/main/java/com/r11/tools/controller/MultipleXMLController.java b/Backend/tools-services/src/main/java/com/r11/tools/controller/MultipleXMLController.java
index b6c24bb..ad87cf2 100644
--- a/Backend/tools-services/src/main/java/com/r11/tools/controller/MultipleXMLController.java
+++ b/Backend/tools-services/src/main/java/com/r11/tools/controller/MultipleXMLController.java
@@ -68,7 +68,7 @@ public class MultipleXMLController implements RestController {
     private XMLResponseBody processData(MultipleXmlJob xmlJob) throws Exception {
         XmlEngine engine = xmlJob.getEngine();
         XMLMultipleFilesBody requestBody = xmlJob.getRequestBody();
-        String result = engine.processXSLT(requestBody.getData(), requestBody.getProcessorData());
+        String result = engine.processXSLT(requestBody.getParams(), requestBody.getData(), requestBody.getProcessorData());
         return new XMLResponseBody(result, "OK", requestBody.getVersion());
     }
 
diff --git a/Backend/tools-services/src/main/java/com/r11/tools/model/Param.java b/Backend/tools-services/src/main/java/com/r11/tools/model/Param.java
new file mode 100644
index 0000000..f60308d
--- /dev/null
+++ b/Backend/tools-services/src/main/java/com/r11/tools/model/Param.java
@@ -0,0 +1,20 @@
+package com.r11.tools.model;
+
+import com.google.gson.annotations.SerializedName;
+
+
+public class Param {
+    @SerializedName("key")
+    private String key;
+    @SerializedName("value")
+    private String value;
+
+    public String getKey() {
+        return key;
+    }
+
+    public String getValue() {
+        return value;
+    }
+}
+
diff --git a/Backend/tools-services/src/main/java/com/r11/tools/model/XMLMultipleFilesBody.java b/Backend/tools-services/src/main/java/com/r11/tools/model/XMLMultipleFilesBody.java
index 67291a4..9223c83 100644
--- a/Backend/tools-services/src/main/java/com/r11/tools/model/XMLMultipleFilesBody.java
+++ b/Backend/tools-services/src/main/java/com/r11/tools/model/XMLMultipleFilesBody.java
@@ -2,6 +2,8 @@ package com.r11.tools.model;
 
 import com.google.gson.annotations.SerializedName;
 
+import java.util.List;
+
 public class XMLMultipleFilesBody {
 
     @SerializedName("data")
@@ -12,6 +14,8 @@ public class XMLMultipleFilesBody {
     private String processor;
     @SerializedName("version")
     private String version;
+    @SerializedName("params")
+    private List<Param> params;
 
 
     public String getProcessorData() {
@@ -29,4 +33,9 @@ public class XMLMultipleFilesBody {
     public XMLMultipleFilesData[] getData() {
         return data;
     }
+
+    public List<Param> getParams() {
+        return params;
+    }
+
 }
diff --git a/Backend/tools-services/src/main/java/com/r11/tools/xml/Saxon.java b/Backend/tools-services/src/main/java/com/r11/tools/xml/Saxon.java
index 8495e62..677a44b 100644
--- a/Backend/tools-services/src/main/java/com/r11/tools/xml/Saxon.java
+++ b/Backend/tools-services/src/main/java/com/r11/tools/xml/Saxon.java
@@ -1,5 +1,6 @@
 package com.r11.tools.xml;
 
+import com.r11.tools.model.Param;
 import com.r11.tools.model.XMLMultipleFilesData;
 import com.r11.tools.model.XMLRequestBody;
 import com.r11.tools.model.XPathQueryResult;
@@ -30,11 +31,11 @@ public class Saxon implements XmlEngine{
      * @throws IOException thrown when file does not exist, or cannot be read.
      */
     XmlTools tools = new XmlTools();
-    public String processXSLT(XMLMultipleFilesData[] data, String transform) throws SaxonApiException, IOException{
+    public String processXSLT(List<Param> params, XMLMultipleFilesData[] data, String transform) throws SaxonApiException, IOException{
         Processor processor = new Processor(false);
         XsltCompiler compiler = processor.newXsltCompiler();
 
-       // transform = tools.addParams(params,transform);
+        transform = tools.addParams(params,transform);
 
         String filesPath = "/tmp/"+UUID.randomUUID()+"/";
         try{
@@ -91,7 +92,7 @@ public class Saxon implements XmlEngine{
      * @return transformed xml
      * @throws SaxonApiException thrown on stylesheet or transformation errors
      */
-    public String processXSLT(List<XMLRequestBody.Param> params, String data, String transform) throws SaxonApiException {
+    public String processXSLT(List<Param> params, String data, String transform) throws SaxonApiException {
         Processor processor = new Processor(false);
         XsltCompiler compiler = processor.newXsltCompiler();
         transform = tools.addParams(params,transform);
diff --git a/Backend/tools-services/src/main/java/com/r11/tools/xml/Xalan.java b/Backend/tools-services/src/main/java/com/r11/tools/xml/Xalan.java
index ee3b884..2b4d64c 100644
--- a/Backend/tools-services/src/main/java/com/r11/tools/xml/Xalan.java
+++ b/Backend/tools-services/src/main/java/com/r11/tools/xml/Xalan.java
@@ -1,5 +1,6 @@
 package com.r11.tools.xml;
 
+import com.r11.tools.model.Param;
 import com.r11.tools.model.XMLMultipleFilesData;
 import com.r11.tools.model.XMLRequestBody;
 import com.r11.tools.model.XPathQueryResult;
@@ -41,7 +42,7 @@ public class Xalan implements XmlEngine{
      * @return transformed xml
      * @throws Exception thrown on stylesheet or transformation errors
      */
-    public String processXSLT(List<XMLRequestBody.Param> params, String data, String transform) throws Exception {
+    public String processXSLT(List<Param> params, String data, String transform) throws Exception {
         DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
         DocumentBuilder builder = factory.newDocumentBuilder();
         Document document = builder.parse(new InputSource(new StringReader(data)));
@@ -69,7 +70,7 @@ public class Xalan implements XmlEngine{
     }
 
     @Override
-    public String processXSLT(XMLMultipleFilesData[] data, String transform) throws Exception {
+    public String processXSLT(List<Param> params, XMLMultipleFilesData[] data, String transform) throws Exception {
         throw new UnsupportedOperationException("Xalan does not support multiple files XSLT processing");
     }
 
diff --git a/Backend/tools-services/src/main/java/com/r11/tools/xml/XmlEngine.java b/Backend/tools-services/src/main/java/com/r11/tools/xml/XmlEngine.java
index e66645d..e422509 100644
--- a/Backend/tools-services/src/main/java/com/r11/tools/xml/XmlEngine.java
+++ b/Backend/tools-services/src/main/java/com/r11/tools/xml/XmlEngine.java
@@ -1,16 +1,16 @@
 package com.r11.tools.xml;
 
+import com.r11.tools.model.Param;
 import com.r11.tools.model.XMLMultipleFilesData;
-import com.r11.tools.model.XMLRequestBody;
 import com.r11.tools.model.XPathQueryResult;
 
 import java.util.List;
 
 public interface XmlEngine {
 
-    String processXSLT(XMLMultipleFilesData[] data, String transform) throws Exception;
+    String processXSLT(List<Param> params, XMLMultipleFilesData[] data, String transform) throws Exception;
     XPathQueryResult processXPath(String data, String query, String version) throws Exception;
-    String processXSLT(List<XMLRequestBody.Param> params, String data, String transform) throws Exception;
+    String processXSLT(List<Param> params, String data, String transform) throws Exception;
     String validate(String data, String xsd) throws Exception;
     String executeXQuery(String data, String xquery, String version) throws Exception;
     public String getVersion();
diff --git a/Frontend/src/components/XsltParamComponent.vue b/Frontend/src/components/XsltParamComponent.vue
index 57608ea..32a1a9a 100644
--- a/Frontend/src/components/XsltParamComponent.vue
+++ b/Frontend/src/components/XsltParamComponent.vue
@@ -23,7 +23,11 @@ const selectedOption = ref(options.value[0].name)
 
 const selectedFunction = () => {
   if (selectOption(selectedOption.value) === 'Add Param') {
-    options.value.push({name: nameInput.value + " = " + valueInput.value});
+    if(!valueInput.value.length == 0 && !nameInput.value.length == 0){
+      options.value.push({name: nameInput.value + " = " + valueInput.value});
+      valueInput.value = "";
+      nameInput.value = "";
+    }
 
   }
   if (selectOption(selectedOption.value) === 'Remove Param') {
@@ -106,6 +110,22 @@ function selectOption(option: string): string {
 </script>
 
 <template>
+  <input
+      v-if="selectedOption==='Add Param'"
+      id="NameTextInput"
+      v-model="nameInput"
+      class="text-input h-full px-3 rounded-full border border-slate-400 bg-white dark:text-slate-100 dark:bg-gray-600 w-48"
+      type="text"
+      placeholder="Name"
+  />
+  <input
+      v-if="selectedOption==='Add Param'"
+      id="ValueTextInput"
+      v-model="valueInput"
+      class="text-input h-full px-3 rounded-full border border-slate-400 bg-white dark:text-slate-100 dark:bg-gray-600 w-48"
+      type="text"
+      placeholder="Value"
+  />
   <select
       v-model="selectedOption"
       class="flex h-full px-3 rounded-full border border-slate-400 bg-white dark:text-slate-100 dark:bg-gray-600 w-48"
@@ -114,22 +134,7 @@ function selectOption(option: string): string {
       {{ option.name }}
     </option>
   </select>
-  <input
-      v-if="selectedOption==='Add Param'"
-      id="NameTextInput"
-      v-model="nameInput"
-      class="text-input h-full px-3 rounded-full border border-slate-400 bg-white dark:text-slate-100 dark:bg-gray-600 w-1/3"
-      type="text"
-      placeholder="Name"
-  />
-  <input
-      v-if="selectedOption==='Add Param'"
-      id="ValueTextInput"
-      v-model="valueInput"
-      class="text-input h-full px-3 rounded-full border border-slate-400 bg-white dark:text-slate-100 dark:bg-gray-600 w-1/3"
-      type="text"
-      placeholder="Value"
-  />
-  <button class="tool-button" @click="selectedFunction">{{ selectOption(selectedOption) }}</button>
+  <button class="tool-button w-24" @click="selectedFunction">{{ selectOption(selectedOption) }}</button>
+
 </template>
 
diff --git a/Frontend/src/components/xml/XmlOutputFieldComponent.vue b/Frontend/src/components/xml/XmlOutputFieldComponent.vue
index dd074e1..8f198e1 100644
--- a/Frontend/src/components/xml/XmlOutputFieldComponent.vue
+++ b/Frontend/src/components/xml/XmlOutputFieldComponent.vue
@@ -149,12 +149,15 @@ function prepareRequestBodySingleXml(data: string):string {
 }
 
 function prepareRequestBodyMultiXml():string {
-    if (!Array.isArray(props.xml))
+  const formattedParams = formatParams();
+
+  if (!Array.isArray(props.xml))
         return "";
 
     let xmlFilesArray = convertDataArray(props.xml);
 
     let requestBody = JSON.stringify({
+        "params": formattedParams,
         "data": xmlFilesArray,
         "processorData": props.query,
         "processor": engine.value,