diff --git a/packages/data-models/functions.ts b/packages/data-models/functions.ts
index 883424d1a5..1d6940e02e 100644
--- a/packages/data-models/functions.ts
+++ b/packages/data-models/functions.ts
@@ -18,34 +18,36 @@ const DYNAMIC_STRING_REGEX = /[`!]?@([a-z]+)\.([0-9a-z_]+)([0-9a-z_.]*)/gi;
  *
  * Store these references in a separate object so they can be evaluated at runtime
  */
-export function extractDynamicFields(data: any) {
+export function extractDynamicFields(data: any): FlowTypes.IDynamicField | undefined {
+  // only extract from string, array or nested json object types
+  if (!data || typeof data !== "object") return;
+
+  // extract fields
   let dynamicFields: FlowTypes.IDynamicField = {};
-  switch (typeof data) {
-    case "object":
-      // simply convert array to object to handle in next case
-      // ie. ["a","b"] => {0: "a", 1: "b"}
-      if (Array.isArray(data)) {
-        data = _arrayToObject(data);
-      }
-      if (data !== null) {
-        // data is a json-like object
-        Object.entries(data).forEach(([key, value]) => {
-          // skip processing some columns (remember these can be nested in other objects like parameter_list)
-          if (!["comments", "_dynamicFields"].includes(key)) {
-            const nestedDynamic = extractDynamicFields(value);
-            if (nestedDynamic) {
-              dynamicFields[key] = nestedDynamic;
-            }
-          }
-        });
+  // simply convert array to object to handle in next case
+  // ie. ["a","b"] => {0: "a", 1: "b"}
+  if (Array.isArray(data)) {
+    data = _arrayToObject(data);
+  }
+  // data is a json-like object
+  Object.entries(data).forEach(([key, value]) => {
+    // skip processing some columns (remember these can be nested in other objects like parameter_list)
+    if (!["comments", "_dynamicFields"].includes(key)) {
+      let nestedDynamic: FlowTypes.IDynamicField | FlowTypes.TemplateRowDynamicEvaluator[] =
+        undefined;
+      if (typeof value === "string") {
+        // extract evaluators from string expression
+        nestedDynamic = extractDynamicEvaluators(value);
+      } else {
+        // extract evaluators from deeper nested objects or arrays
+        nestedDynamic = extractDynamicFields(value);
       }
-      break;
-    case "string":
-      const dynamicEvaluators = extractDynamicEvaluators(data as string);
-      if (dynamicEvaluators) {
-        return dynamicEvaluators;
+      if (nestedDynamic) {
+        dynamicFields[key] = nestedDynamic;
       }
-  }
+    }
+  });
+
   // nested dynamic fields are managed in the row themselves
   if (dynamicFields.hasOwnProperty("rows")) {
     delete dynamicFields["rows"];
diff --git a/packages/scripts/src/commands/app-data/convert/processors/flowParser/flowParser.ts b/packages/scripts/src/commands/app-data/convert/processors/flowParser/flowParser.ts
index c0c162a950..e21473fdf3 100644
--- a/packages/scripts/src/commands/app-data/convert/processors/flowParser/flowParser.ts
+++ b/packages/scripts/src/commands/app-data/convert/processors/flowParser/flowParser.ts
@@ -4,7 +4,7 @@ import { IConverterPaths, IFlowHashmapByType, IParsedWorkbookData } from "../../
 import { arrayToHashmap, groupJsonByKey, IContentsEntry } from "../../utils";
 import BaseProcessor from "../base";
 
-const cacheVersion = 20240412.0;
+const cacheVersion = 20240412.3;
 
 export class FlowParserProcessor extends BaseProcessor<FlowTypes.FlowTypeWithData> {
   public parsers: { [flowType in FlowTypes.FlowType]: Parsers.DefaultParser } = {
diff --git a/src/app/feature/campaign/campaign.service.ts b/src/app/feature/campaign/campaign.service.ts
index cfd2fb6d74..41a8136cfe 100644
--- a/src/app/feature/campaign/campaign.service.ts
+++ b/src/app/feature/campaign/campaign.service.ts
@@ -282,7 +282,7 @@ export class CampaignService extends AsyncServiceBase {
     // process translations first as these are made with dynamic content in place (e.g. "hello @name")
     const translatedRow = this.templateTranslateService.translateRow(row as any);
     // Continue processing full row
-    translatedRow._dynamicFields = extractDynamicFields(translatedRow) as FlowTypes.IDynamicField;
+    translatedRow._dynamicFields = extractDynamicFields(translatedRow);
     const parsedRow = await this.templateVariablesService.evaluatePLHData(translatedRow, {
       row: translatedRow,
       templateRowMap: {},