diff --git a/api-v3/src/asset-master/merged-inventory-dossier.service.ts b/api-v3/src/asset-master/merged-inventory-dossier.service.ts
index 7a09038..7309767 100644
--- a/api-v3/src/asset-master/merged-inventory-dossier.service.ts
+++ b/api-v3/src/asset-master/merged-inventory-dossier.service.ts
@@ -1,5 +1,6 @@
 import { Injectable } from '@nestjs/common';
 import { AssetsService } from './assets.service';
+import { InventoryFunctionService } from './inventory-function.service';
 import { InventoryMergeService } from './inventory-merge.service';
 
 type LooseRecord = Record<string, any>;
@@ -29,6 +30,7 @@ export class MergedInventoryDossierService {
   constructor(
     private readonly assets: AssetsService,
     private readonly merges: InventoryMergeService,
+    private readonly functions: InventoryFunctionService,
   ) {}
 
   async dossier(requestedAssetId: string): Promise<Record<string, unknown>> {
@@ -44,7 +46,8 @@ export class MergedInventoryDossierService {
     const dossiers = await Promise.all(inventoryIds.map(async (assetId) => {
       const dossier = await this.assets.dossier(assetId) as LooseRecord;
       const identity = dossier.asset as LooseRecord;
-      return { assetId, identity, dossier };
+      const functionDossier = await this.functions.getForAsset(assetId).catch(() => null) as LooseRecord | null;
+      return { assetId, identity, dossier, functionDossier };
     }));
 
     const enrich = (entry: LooseRecord, identity: LooseRecord): LooseRecord => ({
@@ -75,6 +78,15 @@ export class MergedInventoryDossierService {
     const media = sortDesc(collect('media'), ['capturedAt', 'createdAt']);
     const versions = sortDesc(collect('versions'), ['occurredAt']);
 
+    const functionHistory = sortDesc(
+      dossiers.flatMap(({ identity, functionDossier }) =>
+        (((functionDossier?.history ?? []) as LooseRecord[]).map((entry) => enrich(entry, identity))),
+      ),
+      ['validFrom', 'createdAt'],
+    );
+    const canonicalFunctionDossier = dossiers.find((item) => item.assetId === canonical.id)?.functionDossier ?? null;
+    const currentFunction = canonicalFunctionDossier?.currentFunction ?? null;
+
     const timelineSource: LooseRecord[] = dossiers.flatMap(({ identity, dossier }) =>
       ((dossier.timeline ?? []) as LooseRecord[]).map((event): LooseRecord => ({
         ...event,
@@ -91,6 +103,25 @@ export class MergedInventoryDossierService {
     );
     const timeline: LooseRecord[] = dedupeById<LooseRecord>(timelineSource);
 
+    for (const assignment of functionHistory) {
+      timeline.push({
+        id: `function:${String(assignment.id)}`,
+        kind: 'FUNCTION_CHANGED',
+        occurredAt: assignment.validFrom,
+        title: `Cambio de función · ${String(assignment.functionName)}`,
+        description: assignment.reason ?? null,
+        meta: {
+          functionId: assignment.functionId,
+          functionCode: assignment.functionCode,
+          functionName: assignment.functionName,
+          validFrom: assignment.validFrom,
+          validUntil: assignment.validUntil,
+          changedByUsername: assignment.changedByUsername,
+          historicalInventory: assignment.historicalInventory,
+        },
+      });
+    }
+
     for (const alias of aliases) {
       timeline.push({
         id: `merge:${String(alias.id)}:${String(alias.mergedAt)}`,
@@ -121,6 +152,7 @@ export class MergedInventoryDossierService {
         code: canonical.code,
         name: canonical.name,
         commonName: dossiers.find((item) => item.assetId === canonical.id)?.identity?.commonName ?? null,
+        currentFunction,
       },
       requestedAsset: {
         id: requested.id,
@@ -146,7 +178,10 @@ export class MergedInventoryDossierService {
         documents: documents.length + media.filter((item) => item.kind === 'DOCUMENT').length,
         photos: evidence.filter((item) => item.kind === 'PHOTO').length + media.filter((item) => item.kind === 'PHOTO').length,
         reports: reports.length + inspectionReports.length,
+        functionChanges: functionHistory.length,
       },
+      currentFunction,
+      functionHistory,
       visits,
       acts,
       findings,