🎓 Learn n8n Expressions with an Interactive Step-by-Step Tutorial for Beginners — Workflow n8n

Moyen complexité⚥ DĂ©clencheur13 nƓuds⚒ Engineering👁 27,902 vuespar Lucas Peyrin

Aperçu

How it works

This template is an interactive, step-by-step tutorial designed to teach you the most important skill in n8n: using expressions to access and manipulate data.

If you know what JSON is but aren't sure how to pull a specific piece of information from one node and use it in another, this workflow is for you. It starts with a single "Source Data" node that acts as our filing cabinet, and then walks you through a series of lessons, each demonstrating a new technique for retrieving and

NƓuds utilisĂ©s

Start TutorialSticky Note158. Utility FunctionsSplit Out Skills

Aperçu du workflow

Tutorial - Mastering n8n Expressions
Welcome! You know what JSON is. Now, let's learn how to
Our Data Source
This node holds all the sample data for our tutorial. T
Lesson 1: Accessing a Simple Value
This is the most common thing you'll do in n8n.
The Goal: Get the user's name from the "Source Data" no
The Expression: `{{ $('Source Data').item.js
Lesson 3: Accessing an Array Element
What if the data is in a list (an array)? You need to s
The Goal: Get the user's *second* skill.
The Expression: `{{ $('
Lesson 4: Accessing Nested Data
Sometimes, data is organized into objects within other
The Goal: Get the user's email address.
The Expression: `{{ $('Source Data').last().json.c
Lesson 5: Accessing Data in an Array of Objec
This is the ultimate test of the previous lessons!
The Goal: Get the *status* of the *first* project in th
The Expression: `{{ $('S
Lesson 6: A Touch of Magic (JS Functions)
You can do more than just retrieve data; you can manipu
The Expressions:
- Transform Text: `{{ $('Source Data').last().js
Lesson 9: Working with Multiple Items (`$item
What if a node outputs *multiple* items and you want to
The Goal: Get a single, com
🎓 FINAL EXAM: Putting It All Together
This node uses everything we've learned to build a fina
Look at the expressions for each field. They pull data
Lesson 2: The n8n Selectors (`.first()`, `.la
In the last lesson, we used `.item`. When there is only
Lesson 7: Inspecting Objects (`Object.keys()`
What if you have an object but you don't know what keys
The Goal: Get a list of all the keys
Lesson 8: Utility Functions (`JSON.stringify(
Sometimes you need to convert a structured JSON object
Was this helpful? Let me know!
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I really hope this tutorial helped you understand n8n
>> Go to Eval Workflow <<
Verify your skills with a complete eval workflow to put
[![Test Skills](https://supastudio.ia2s.app/s
⚡
S
Start Tutorial
S
Source Data
1
1. The Basics
3
3. Working with Arrays
4
4. Going Deeper
5
5. The Combo Move
6
6. A Touch of Magic
9
9. The "All Items" View
F
Final Exam
2
2. The n8n Selectors
7
7. Inspecting Objects
8
8. Utility Functions
S
Split Out Skills
13 nodes12 edges

Comment ça fonctionne

  1. 1

    Déclencheur

    Le workflow démarre avec un déclencheur déclencheur.

  2. 2

    Traitement

    Les donnĂ©es transitent par 13 nƓuds, connecting manualtrigger, set, splitout.

  3. 3

    Sortie

    Le workflow termine son automatisation et livre le résultat à la destination configurée.

DĂ©tails des nƓuds (13)

ST

Start Tutorial

manualTrigger

#1
ST

Sticky Note15

stickyNote

#2
8.

8. Utility Functions

set

#3
SP

Split Out Skills

splitOut

#4

Comment importer ce workflow

  1. 1Cliquez sur le bouton Télécharger JSON à droite pour enregistrer le fichier du workflow.
  2. 2Ouvrez votre instance n8n. AccĂ©dez Ă  Workflows → Nouveau → Importer depuis un fichier.
  3. 3Sélectionnez le fichier learn-n8n-expressions-with-an-interactive-step-by-step-tutorial-for-beginners téléchargé et cliquez sur Importer.
  4. 4Configurez les identifiants pour chaque nƓud de service (clĂ©s API, OAuth, etc.).
  5. 5Cliquez sur Tester le workflow pour vérifier que tout fonctionne, puis activez-le.

Ou collez directement dans n8n → Importer depuis JSON :

{ "name": "🎓 Learn n8n Expressions with an Interactive Step-by-Step Tutorial for Beginners", "nodes": [...], ...}

Intégrations

manualtriggersetsplitout

Obtenir ce workflow

Téléchargez et importez en un clic

Télécharger JSONVoir sur n8n.io
NƓuds13
Complexitémedium
Déclencheurtrigger
Vues27,902
CatégorieEngineering

Créé par

Lucas Peyrin

Lucas Peyrin

@lucaspeyrin

Tags

manualtriggersetsplitout
⚡

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