diff --git a/web/src/components/dashboard/flow/TriggerConfig.tsx b/web/src/components/dashboard/flow/TriggerConfig.tsx
index da4c54f..189df39 100644
--- a/web/src/components/dashboard/flow/TriggerConfig.tsx
+++ b/web/src/components/dashboard/flow/TriggerConfig.tsx
@@ -286,20 +286,52 @@ function exampleBody(fields: TriggerField[]): string {
   if (fields.length === 0) return '{\n  "cokoliv": "co pošle odesílatel"\n}';
 
   const body: Record<string, unknown> = {};
+  const paths = fields.map((field) => field.path ?? field.name);
 
   for (const field of fields) {
-    const path = (field.path ?? field.name).split('.');
+    const full = field.path ?? field.name;
+    const path = full.split('.');
     let target = body;
 
+    /*
+     * Parametr, kterym vede cesta jineho parametru.
+     *
+     * Deje se to bezne: prijde cely objekt a vedle nej se vytahuje konkretni
+     * hodnota z jeho nitra. Pak plati ta vnitrni struktura, ne zastupna
+     * hodnota typu - ta by prepsala presne to, co ma ukazka ukazat.
+     */
+    const isParent = paths.some((other) => other !== full && other.startsWith(`${full}.`));
+
     for (let i = 0; i < path.length - 1; i += 1) {
       const key = path[i];
       const next = path[i + 1];
-      // Cislo v ceste znamena pole, ne objekt s klicem "0".
-      if (target[key] === undefined) target[key] = /^\d+$/.test(next) ? [] : {};
+      const current = target[key];
+      /*
+       * Do cesty se musi dat zanorit. Kdyz uz na tom miste hodnota je, protoze
+       * jiny parametr konci tam, kde tenhle pokracuje, prepise se schrankou.
+       *
+       * Bez toho by se zapisovalo do retezce a **spadl by cely builder**. Neni
+       * to okrajovy stav: pri psani cesty `zprava.data` je `zprava` chvili
+       * hotovy parametr sam o sobe, takze staci mit oba a ukazka se rozbije
+       * pri kazdem stisku klavesy.
+       *
+       * Cislo v ceste znamena pole, ne objekt s klicem "0".
+       */
+      if (current === null || typeof current !== 'object') {
+        target[key] = /^\d+$/.test(next) ? [] : {};
+      }
       target = target[key] as Record<string, unknown>;
     }
 
-    target[path[path.length - 1]] = exampleValue(field.type);
+    const last = path[path.length - 1];
+    if (isParent) {
+      // Schranku nechat, at uz ji postavily vnorene parametry, nebo teprve
+      // prijdou na radu. Prepsat ji zastupnou hodnotou znamena je zahodit.
+      const current = target[last];
+      if (current === null || typeof current !== 'object') target[last] = {};
+    } else {
+      target[last] = exampleValue(field.type);
+    }
   }
 
   return JSON.stringify(body, null, 2);