diff --git a/bin/generate-example-metadata.mjs b/bin/generate-example-metadata.mjs
index 4bf0e70..7ee9421 100755
--- a/bin/generate-example-metadata.mjs
+++ b/bin/generate-example-metadata.mjs
@@ -3,6 +3,11 @@
 import { RestParser } from "rest-cli";
 import flatten from "flat";
 
+const usage = (errorNumber = 0) => {
+    console.error("Usage:  ./bin/generate-example-metadata.mjs <instance> [requestName|requestNumber]");
+    process.exit(errorNumber);
+}
+
 const json2dotNotation = (
     json,
     prefix = "post.responses.default.content.application/json.example."
@@ -14,24 +19,43 @@
     return str;
 };
 
+/** @param {string} s */
+const isInteger = (s) => Number.isInteger(Number(s));
+
+///////////////////////////////////////////////////////////:
+
+const [, , instanceName, requestName] = process.argv;
+
+if (!instanceName) {
+    console.error("Instance name needed as a first paramater!");
+    usage(1);
+}
+
 // Get Response from examples.http file
 const parser = new RestParser();
-await parser.readFile("./mapping-tools/examples.http");
+await parser.readFile(`./${instanceName}/examples.http`);
 
-const request = await parser.get(0);
-console.log(request);
+const requestId = isInteger(requestName) ? Number(requestName) : requestName;
 
+if (requestId === undefined) {
+    console.error("requestName needed as a second parameter (could be a string or an integer).");
+    usage(2);
+}
+
+const request = await parser.get(requestId);
 
 if (request) {
+    // request
+    const body = request.getBody();
     console.log(
         json2dotNotation(
-            JSON.parse(request.getBody()),
+            JSON.parse(body),
             "post.requestBody.content.application/json.example.")
     );
 
+    // response
     const { response } = await request.request();
 
     const json = JSON.parse(response.getBody());
-    console.log(json);
     console.log(json2dotNotation(json));
 }