diff --git a/doc/testing/postman/CAPIF.postman_collection.json b/doc/testing/postman/CAPIF.postman_collection.json
index e65c826994c986b46367eeb223d65444a38cebf9..dcbd5adbd0b6688caed14dfcb104e4519413f156 100644
--- a/doc/testing/postman/CAPIF.postman_collection.json
+++ b/doc/testing/postman/CAPIF.postman_collection.json
@@ -806,7 +806,7 @@
 				],
 				"body": {
 					"mode": "raw",
-					"raw": "{\n\"name\": {{USERNAME_INVOKER}}\n}",
+					"raw": "{\n\"name\": \"{{USERNAME_INVOKER}}\"\n}",
 					"options": {
 						"raw": {
 							"language": "json"
diff --git a/doc/testing/postman/CAPIF.postman_environment.json b/doc/testing/postman/CAPIF.postman_environment.json
index ab3839e9e78b498312a14db675316a76455747b0..fd084b3c9a3bedd57ac8b3c388eed1a219aac9e8 100644
--- a/doc/testing/postman/CAPIF.postman_environment.json
+++ b/doc/testing/postman/CAPIF.postman_environment.json
@@ -32,6 +32,12 @@
 			"type": "default",
 			"enabled": true
 		},
+		{
+			"key": "USERNAME_INVOKER",
+			"value": "InvokerONE",
+			"type": "default",
+			"enabled": true
+		},
 		{
 			"key": "PASSWORD",
 			"value": "pass",