simstudioai · waleedlatif1 · Apr 16, 2026 · Apr 11, 2026 · Apr 11, 2026 · Apr 11, 2026
diff --git a/apps/docs/app/[lang]/not-found.tsx b/apps/docs/app/[lang]/not-found.tsx
@@ -1,4 +1,5 @@
-import { DocsBody, DocsPage } from 'fumadocs-ui/page'
+import { DocsPage } from 'fumadocs-ui/page'
+import Link from 'next/link'
 
 export const metadata = {
   title: 'Page Not Found',
@@ -7,17 +8,21 @@ export const metadata = {
 export default function NotFound() {
   return (
     <DocsPage>
-      <DocsBody>
-        <div className='flex min-h-[60vh] flex-col items-center justify-center text-center'>
-          <h1 className='mb-4 bg-gradient-to-b from-[#47d991] to-[#33c482] bg-clip-text font-bold text-8xl text-transparent'>
-            404
-          </h1>
-          <h2 className='mb-2 font-semibold text-2xl text-foreground'>Page Not Found</h2>
-          <p className='text-muted-foreground'>
-            The page you're looking for doesn't exist or has been moved.
-          </p>
-        </div>
-      </DocsBody>
+      <div className='flex min-h-[70vh] flex-col items-center justify-center gap-4 text-center'>
+        <h1 className='bg-gradient-to-b from-[#47d991] to-[#33c482] bg-clip-text font-bold text-8xl text-transparent'>
+          404
+        </h1>
+        <h2 className='font-semibold text-2xl text-foreground'>Page Not Found</h2>
+        <p className='text-muted-foreground'>
+          The page you're looking for doesn't exist or has been moved.
+        </p>
+        <Link
+          href='/'
+          className='ml-1 flex items-center rounded-[8px] bg-[#33c482] px-2.5 py-1.5 text-[13px] text-white transition-colors duration-200 hover:bg-[#2DAC72]'
+        >
+          Go home
+        </Link>
+      </div>
     </DocsPage>
   )
 }
diff --git a/apps/docs/components/ui/icon-mapping.ts b/apps/docs/components/ui/icon-mapping.ts
@@ -224,8 +224,10 @@ export const blockTypeToIconMap: Record<string, IconComponent> = {
   cloudflare: CloudflareIcon,
   cloudformation: CloudFormationIcon,
   cloudwatch: CloudWatchIcon,
+  confluence: ConfluenceIcon,
   confluence_v2: ConfluenceIcon,
   crowdstrike: CrowdStrikeIcon,
+  cursor: CursorIcon,
   cursor_v2: CursorIcon,
   dagster: DagsterIcon,
   databricks: DatabricksIcon,
@@ -243,19 +245,25 @@ export const blockTypeToIconMap: Record<string, IconComponent> = {
   enrich: EnrichSoIcon,
   evernote: EvernoteIcon,
   exa: ExaAIIcon,
+  extend: ExtendIcon,
   extend_v2: ExtendIcon,
   fathom: FathomIcon,
+  file: DocumentIcon,
   file_v3: DocumentIcon,
   firecrawl: FirecrawlIcon,
+  fireflies: FirefliesIcon,
   fireflies_v2: FirefliesIcon,
   gamma: GammaIcon,
+  github: GithubIcon,
   github_v2: GithubIcon,
   gitlab: GitLabIcon,
+  gmail: GmailIcon,
   gmail_v2: GmailIcon,
   gong: GongIcon,
   google_ads: GoogleAdsIcon,
   google_bigquery: GoogleBigQueryIcon,
   google_books: GoogleBooksIcon,
+  google_calendar: GoogleCalendarIcon,
   google_calendar_v2: GoogleCalendarIcon,
   google_contacts: GoogleContactsIcon,
   google_docs: GoogleDocsIcon,
@@ -266,7 +274,9 @@ export const blockTypeToIconMap: Record<string, IconComponent> = {
   google_meet: GoogleMeetIcon,
   google_pagespeed: GooglePagespeedIcon,
   google_search: GoogleIcon,
+  google_sheets: GoogleSheetsIcon,
   google_sheets_v2: GoogleSheetsIcon,
+  google_slides: GoogleSlidesIcon,
   google_slides_v2: GoogleSlidesIcon,
   google_tasks: GoogleTasksIcon,
   google_translate: GoogleTranslateIcon,
@@ -285,16 +295,19 @@ export const blockTypeToIconMap: Record<string, IconComponent> = {
   imap: MailServerIcon,
   incidentio: IncidentioIcon,
   infisical: InfisicalIcon,
+  intercom: IntercomIcon,
   intercom_v2: IntercomIcon,
   jina: JinaAIIcon,
   jira: JiraIcon,
   jira_service_management: JiraServiceManagementIcon,
+  kalshi: KalshiIcon,
   kalshi_v2: KalshiIcon,
   ketch: KetchIcon,
   knowledge: PackageSearchIcon,
   langsmith: LangsmithIcon,
   launchdarkly: LaunchDarklyIcon,
   lemlist: LemlistIcon,
+  linear: LinearIcon,
   linear_v2: LinearIcon,
   linkedin: LinkedInIcon,
   linkup: LinkupIcon,
@@ -306,13 +319,16 @@ export const blockTypeToIconMap: Record<string, IconComponent> = {
   memory: BrainIcon,
   microsoft_ad: AzureIcon,
   microsoft_dataverse: MicrosoftDataverseIcon,
+  microsoft_excel: MicrosoftExcelIcon,
   microsoft_excel_v2: MicrosoftExcelIcon,
   microsoft_planner: MicrosoftPlannerIcon,
   microsoft_teams: MicrosoftTeamsIcon,
+  mistral_parse: MistralIcon,
   mistral_parse_v3: MistralIcon,
   mongodb: MongoDBIcon,
   mysql: MySQLIcon,
   neo4j: Neo4jIcon,
+  notion: NotionIcon,
   notion_v2: NotionIcon,
   obsidian: ObsidianIcon,
   okta: OktaIcon,
@@ -329,12 +345,14 @@ export const blockTypeToIconMap: Record<string, IconComponent> = {
   postgresql: PostgresIcon,
   posthog: PosthogIcon,
   profound: ProfoundIcon,
+  pulse: PulseIcon,
   pulse_v2: PulseIcon,
   qdrant: QdrantIcon,
   quiver: QuiverIcon,
   rds: RDSIcon,
   reddit: RedditIcon,
   redis: RedisIcon,
+  reducto: ReductoIcon,
   reducto_v2: ReductoIcon,
   resend: ResendIcon,
   revenuecat: RevenueCatIcon,
@@ -360,11 +378,13 @@ export const blockTypeToIconMap: Record<string, IconComponent> = {
   stagehand: StagehandIcon,
   stripe: StripeIcon,
   sts: STSIcon,
+  stt: STTIcon,
   stt_v2: STTIcon,
   supabase: SupabaseIcon,
   tailscale: TailscaleIcon,
   tavily: TavilyIcon,
   telegram: TelegramIcon,
+  textract: TextractIcon,
   textract_v2: TextractIcon,
   tinybird: TinybirdIcon,
   translate: TranslateIcon,
@@ -375,7 +395,9 @@ export const blockTypeToIconMap: Record<string, IconComponent> = {
   typeform: TypeformIcon,
   upstash: UpstashIcon,
   vercel: VercelIcon,
+  video_generator: VideoIcon,
   video_generator_v2: VideoIcon,
+  vision: EyeIcon,
   vision_v2: EyeIcon,
   wealthbox: WealthboxIcon,
   webflow: WebflowIcon,

diff --git a/apps/docs/content/docs/en/blocks/function.mdx b/apps/docs/content/docs/en/blocks/function.mdx
@@ -2,10 +2,12 @@
 title: Function
 ---
 
+import { Callout } from 'fumadocs-ui/components/callout'
+import { Tab, Tabs } from 'fumadocs-ui/components/tabs'
 import { Image } from '@/components/ui/image'
 import { FAQ } from '@/components/ui/faq'
 
-The Function block executes custom JavaScript or TypeScript code in your workflows. Transform data, perform calculations, or implement custom logic.
+The Function block executes custom JavaScript, TypeScript, or Python code in your workflows. Transform data, perform calculations, or implement custom logic.
 
 <div className="flex justify-center">
   <Image
@@ -41,6 +43,8 @@ Input → Function (Validate & Sanitize) → API (Save to Database)
 
 ### Example: Loyalty Score Calculator
 
+<Tabs items={['JavaScript', 'Python']}>
+  <Tab value="JavaScript">
 ```javascript title="loyalty-calculator.js"
 // Process customer data and calculate loyalty score
 const { purchaseHistory, accountAge, supportTickets } = <agent>;
@@ -64,6 +68,120 @@ return {
   metrics: { spendScore, frequencyScore, supportScore }
 };
 ```
+  </Tab>
+  <Tab value="Python">
+```python title="loyalty-calculator.py"
+import json
+
+# Reference outputs from other blocks using angle bracket syntax
+data = json.loads('<agent>')
+purchase_history = data["purchaseHistory"]
+account_age = data["accountAge"]
+support_tickets = data["supportTickets"]
+
+# Calculate metrics
+total_spent = sum(p["amount"] for p in purchase_history)
+purchase_frequency = len(purchase_history) / (account_age / 365)
+ticket_ratio = support_tickets["resolved"] / support_tickets["total"]
+
+# Calculate loyalty score (0-100)
+spend_score = min(total_spent / 1000 * 30, 30)
+frequency_score = min(purchase_frequency * 20, 40)
+support_score = ticket_ratio * 30
+
+loyalty_score = round(spend_score + frequency_score + support_score)
+
+tier = "Platinum" if loyalty_score >= 80 else "Gold" if loyalty_score >= 60 else "Silver"
+
+result = {
+    "customer": data["name"],
+    "loyaltyScore": loyalty_score,
+    "loyaltyTier": tier,
+    "metrics": {
+        "spendScore": spend_score,
+        "frequencyScore": frequency_score,
+        "supportScore": support_score
+    }
+}
+print(json.dumps(result))
+```
+  </Tab>
+</Tabs>
+
+## Python Support
+
+The Function block supports Python as an alternative to JavaScript. Python code runs in a secure [E2B](https://e2b.dev) cloud sandbox.
+
+<div className="flex justify-center">
+  <Image
+    src="/static/blocks/function-python.png"
+    alt="Function block with Python selected"
+    width={400}
+    height={500}
+    className="my-6"
+  />
+</div>
+
+### Enabling Python
+
+Select **Python** from the language dropdown in the Function block. Python execution requires E2B to be enabled on your Sim instance.
+
+<Callout type="warn">
+If you don't see Python as an option in the language dropdown, E2B is not enabled. This only applies to self-hosted instances — E2B is enabled by default on sim.ai.
+</Callout>
+
+<Callout type="info">
+Python code always runs in the E2B sandbox, even for simple scripts without imports. This ensures a secure, isolated execution environment.
+</Callout>
+
+### Returning Results
+
+In Python, print your result as JSON to stdout. The Function block captures stdout and makes it available via `<function.result>`:
+
+```python title="example.py"
+import json
+
+data = {"status": "processed", "count": 42}
+print(json.dumps(data))
+```
+
+### Available Libraries
+
+The E2B sandbox includes the Python standard library (`json`, `re`, `datetime`, `math`, `os`, `collections`, etc.) and common packages like `matplotlib` for visualization. Charts generated with matplotlib are captured as images automatically.
+
+<Callout type="info">
+  The exact set of pre-installed packages depends on the E2B sandbox configuration. If a package you need isn't available, consider calling an external API from your code instead.
+</Callout>
+
+### Matplotlib Charts
+
+When your Python code generates matplotlib figures, they are automatically captured and returned as base64-encoded PNG images in the output:
+
+```python title="chart.py"
+import matplotlib.pyplot as plt
+import json
+
+data = json.loads('<api.data>')
+
+plt.figure(figsize=(10, 6))
+plt.bar(data["labels"], data["values"])
+plt.title("Monthly Revenue")
+plt.xlabel("Month")
+plt.ylabel("Revenue ($)")
+plt.savefig("chart.png")
+plt.show()
+```
+
+{/* TODO: Screenshot of Python code execution output in the logs panel */}
+
+### JavaScript vs. Python
+
+| | JavaScript | Python |
+|--|-----------|--------|
+| **Execution** | Local VM (fast) or E2B sandbox (with imports) | Always E2B sandbox |
+| **Returning results** | `return { ... }` | `print(json.dumps({ ... }))` |
+| **HTTP requests** | `fetch()` built-in | `requests` or `httpx` |
+| **Best for** | Quick transforms, JSON manipulation | Data science, charting, complex math |
 
 ## Best Practices