Workflow Blocks Reference

NUXA Flow provides 107 workflow blocks organized into categories. Each block is a reusable component that performs a specific action in your automation.

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Block Categories Overview

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Triggers

Triggers define how and when your workflow starts.

start_trigger - Start

Basic manual trigger. Click to run the workflow.

Inputs: None Outputs: Trigger timestamp, user context

input_trigger - Input Trigger

Starts workflow with user-provided input data.

Inputs: Custom input schema Outputs: User input data

chat_trigger - Chat Trigger

Conversational trigger for chat-based workflows.

Inputs: Chat message Outputs: Message content, conversation context

api_trigger - API Trigger

HTTP endpoint trigger. Call your workflow via REST API.

Inputs: HTTP method, headers, body Outputs: Request data, headers

manual_trigger - Manual Trigger

Button-based trigger with confirmation.

Inputs: None Outputs: Trigger metadata

schedule - Schedule

Time-based trigger using cron expressions.

Inputs: Cron expression Outputs: Scheduled time, execution count

webhook - Webhook

Incoming webhook trigger for external services.

Inputs: Webhook payload Outputs: Payload data, headers

generic_webhook - Generic Webhook

Universal webhook handler with flexible parsing.

Inputs: Raw payload Outputs: Parsed data

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Control Flow

Control the execution path of your workflow.

condition - Condition

If/else branching based on conditions.

Inputs: Condition expression Outputs: True branch, False branch

router - Router

Multi-path routing based on values.

Inputs: Value to match, route definitions Outputs: Multiple named outputs

parallel_ai - Parallel

Execute multiple branches simultaneously.

Inputs: Items to process Outputs: Aggregated results

wait - Wait

Pause execution for a specified time.

Inputs: Duration (seconds/minutes/hours) Outputs: Resume timestamp

evaluator - Evaluator

Evaluate JavaScript expressions.

Inputs: Expression, variables Outputs: Evaluation result

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AI & LLM

Integrate AI models into your workflows.

agent - Agent

Autonomous AI agent with tool calling capabilities.

Inputs: System prompt, tools, model selection Outputs: Agent response, tool results

Models Supported: GPT-4, Claude, Gemini, Llama

openai - OpenAI

Direct OpenAI API integration.

Inputs: Prompt, model, temperature Outputs: Completion, tokens used

perplexity - Perplexity

AI-powered web search with citations.

Inputs: Query Outputs: Answer, citations, sources

mistral_parse - Mistral Parse

Document parsing and extraction with Mistral.

Inputs: Document, extraction schema Outputs: Structured data

vision - Vision

Analyze images with AI vision models.

Inputs: Image URL/base64, prompt Outputs: Image analysis

thinking - Thinking

Chain-of-thought reasoning for complex problems.

Inputs: Problem statement Outputs: Reasoning steps, conclusion

elevenlabs - ElevenLabs

High-quality text-to-speech synthesis.

Inputs: Text, voice ID Outputs: Audio file URL

huggingface - HuggingFace

Access HuggingFace models and inference.

Inputs: Model ID, input data Outputs: Model output

image_generator - Image Generator

Generate images with AI models (DALL-E, Stable Diffusion).

Inputs: Prompt, size, style Outputs: Image URL

translate - Translate

AI-powered translation between languages.

Inputs: Text, source language, target language Outputs: Translated text

stt - Speech-to-Text

Transcribe audio to text.

Inputs: Audio file/URL Outputs: Transcription, timestamps

tts - Text-to-Speech

Convert text to speech audio.

Inputs: Text, voice settings Outputs: Audio file URL

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Communication

Send messages and emails across platforms.

slack - Slack

Send messages and manage Slack workspaces.

Operations: Send message, upload file, create channel, list users

discord - Discord

Discord bot integration for servers.

Operations: Send message, create embed, manage roles

telegram - Telegram

Telegram bot messaging.

Operations: Send message, send photo, send document

microsoft_teams - Microsoft Teams

Microsoft Teams integration.

Operations: Send message, create meeting, manage channels

gmail - Gmail

Full Gmail integration for email automation.

Operations: Send email, search emails, manage labels, reply

outlook - Outlook

Microsoft Outlook email integration.

Operations: Send email, read inbox, manage folders

twilio_sms - Twilio SMS

Send SMS messages via Twilio.

Inputs: To number, message Outputs: Message SID, status

twilio_voice - Twilio Voice

Make and receive phone calls.

Operations: Make call, send TwiML, record call

whatsapp - WhatsApp

WhatsApp Business API integration.

Operations: Send message, send template, send media

resend - Resend

Modern transactional email API.

Inputs: To, subject, HTML/text body Outputs: Message ID

typeform - Typeform

Typeform responses and webhooks.

Operations: Get responses, create form

google_forms - Google Forms

Google Forms integration.

Operations: Get responses, create form

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Databases

Query and manage databases.

postgresql - PostgreSQL

Execute PostgreSQL queries.

Operations: Query, insert, update, delete

mysql - MySQL

MySQL database operations.

Operations: Query, insert, update, delete

mongodb - MongoDB

MongoDB document operations.

Operations: Find, insert, update, delete, aggregate

supabase - Supabase

Supabase database and auth.

Operations: Select, insert, update, delete, RPC

airtable - Airtable

Airtable base operations.

Operations: List records, create, update, delete

notion - Notion

Notion database operations.

Operations: Query database, create page, update properties

pinecone - Pinecone

Pinecone vector database.

Operations: Upsert, query, delete vectors

qdrant - Qdrant

Qdrant vector search engine.

Operations: Search, upsert, delete points

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Documents & Productivity

Work with documents and productivity tools.

google_sheets - Google Sheets

Spreadsheet automation.

Operations: Read range, write range, append rows

microsoft_excel - Microsoft Excel

Excel file operations.

Operations: Read, write, create workbook

google_docs - Google Docs

Document creation and editing.

Operations: Create doc, append text, read content

confluence - Confluence

Atlassian Confluence pages.

Operations: Create page, update page, search

jira - Jira

Jira issue management.

Operations: Create issue, update issue, search, transition

sharepoint - SharePoint

SharePoint file and list operations.

Operations: Upload file, create item, list files

google_calendar - Google Calendar

Calendar event management.

Operations: Create event, list events, update event

google_vault - Google Vault

Google Vault eDiscovery operations.

Operations: Create matter, search, export

microsoft_planner - Microsoft Planner

Task and plan management.

Operations: Create task, update task, list tasks

webflow - Webflow

Webflow CMS operations.

Operations: Create item, update item, publish

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Cloud Storage

Manage files in cloud storage.

google_drive - Google Drive

Google Drive file management.

Operations: Upload, download, list, share

onedrive - OneDrive

Microsoft OneDrive operations.

Operations: Upload, download, list files

s3 - Amazon S3

AWS S3 bucket operations.

Operations: Put object, get object, list objects, presigned URL

dropbox - Dropbox

Dropbox file operations.

Operations: Upload, download, list, share

file - File

Local file operations.

Operations: Read, write, process

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Web & Search

Search the web and scrape data.

tavily - Tavily

AI-optimized search engine.

Inputs: Query, search depth Outputs: Results with content

serper - Serper

Google Search API.

Inputs: Query, num results Outputs: Search results

google_search - Google Search

Direct Google search.

Inputs: Query Outputs: Results, snippets

firecrawl - Firecrawl

Advanced web scraping.

Operations: Scrape page, crawl site, extract data

jina - Jina

Web page reader optimized for LLMs.

Inputs: URL Outputs: Cleaned content

linkup - Linkup

Extract links from pages.

Inputs: URL Outputs: Links, metadata

exa - Exa

Semantic web search.

Inputs: Query, type (neural/keyword) Outputs: Results with embeddings

arxiv - ArXiv

Academic paper search.

Inputs: Query, max results Outputs: Papers, abstracts

youtube - YouTube

YouTube video data.

Operations: Search, get video info, get transcript

reddit - Reddit

Reddit content access.

Operations: Search, get posts, get comments

wikipedia - Wikipedia

Wikipedia article access.

Inputs: Query/title Outputs: Article content

x - X (Twitter)

X/Twitter data access.

Operations: Search tweets, get user, post tweet

api - API

Make custom HTTP requests.

Inputs: URL, method, headers, body Outputs: Response data

hunter - Hunter

Email finding and verification.

Operations: Find email, verify email, domain search

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Business Tools

CRM and project management integrations.

asana - Asana

Asana project management.

Operations: Create task, update task, list projects

linear - Linear

Linear issue tracking.

Operations: Create issue, update issue, list issues

trello - Trello

Trello board management.

Operations: Create card, move card, list boards

pipedrive - Pipedrive

Pipedrive CRM.

Operations: Create deal, update deal, list contacts

hubspot - HubSpot

HubSpot marketing and CRM.

Operations: Create contact, create deal, send email

salesforce - Salesforce

Salesforce CRM.

Operations: Query, create record, update record

stripe - Stripe

Stripe payments.

Operations: Create charge, list customers, manage subscriptions

wealthbox - Wealthbox

Financial advisor CRM.

Operations: Create contact, manage opportunities

clay - Clay

Data enrichment platform.

Operations: Enrich contact, find email

github - GitHub

GitHub repository operations.

Operations: Create issue, list PRs, manage repos

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Specialty & Custom

Custom and specialized integrations.

fleksa - Fleksa

Fleksa restaurant platform.

Operations: Manage orders, menu items, reservations

fleksa_web - Fleksa Web

Fleksa website management.

Operations: Update content, manage pages

google_maps - Google Maps

Google Maps location services.

Operations: Geocode, directions, places search

browser_use - Browser Use

Automated browser actions.

Operations: Navigate, click, fill, screenshot

stagehand - Stagehand

Web automation framework.

Operations: Execute actions, extract data

stagehand_agent - Stagehand Agent

Autonomous browser agent.

Inputs: Goal, URL Outputs: Action results

research - Research

Deep research agent.

Inputs: Research question Outputs: Comprehensive report

guardrails - Guardrails

AI safety and content filtering.

Operations: Check content, validate output

mcp - MCP

Model Context Protocol servers.

Inputs: Server config, tool calls Outputs: Tool results

voice_chat - Voice Chat 🔶

Real-time voice interactions.

Status: In development (~50%)

pipecat - Pipecat 🔶

Telephony bridge for voice.

Status: In development (~70%)

starter - Starter

Template starter block.

Purpose: Workflow templates

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Memory & Knowledge

RAG and memory systems.

memory - Memory

Built-in conversation memory.

Operations: Store, retrieve, clear

mem0 - Mem0

External memory platform.

Operations: Add memory, search, delete

zep - Zep

Zep memory platform.

Operations: Add message, search, get history

knowledge - Knowledge

RAG knowledge base access.

Inputs: Query, knowledge base ID Outputs: Relevant documents

knowledge_tool - Knowledge Tool

Tool-based knowledge access for agents.

Usage: Add to agent tools

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Utility

Helper and utility blocks.

note - Note

Documentation note (non-executing).

Purpose: Add comments to workflows

variables - Variables

Manage workflow variables.

Operations: Set, get, transform

function - Function

Execute custom JavaScript.

Inputs: Code, variables Outputs: Function result

function_tool - Function Tool

Expose function as agent tool.

Usage: Add to agent tools

response - Response

Define workflow response format.

Inputs: Response data Outputs: Formatted response

workflow - Sub-Workflow

Call another workflow.

Inputs: Workflow ID, inputs Outputs: Workflow result

workflow_input - Workflow Input

Define workflow input parameters.

Purpose: Schema definition

workflow_tool - Workflow Tool

Expose workflow as agent tool.

Usage: Add to agent tools

human_in_the_loop - Human in the Loop

Request human approval or input.

Inputs: Prompt, options Outputs: Human decision

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Block Status Legend

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Total Blocks: 107 Complete: 105 In Development: 2