---
id: overview
title: Overview
---
ToolJet Workflows enable users to create complex, data-centric automations using a visual, node-based interface. It extends ToolJet's capabilities beyond building user interfaces, allowing developers and business users to automate processes, integrate data from various sources, and execute custom logic without writing extensive code.
Workflows complements the app-building features by providing a way to handle backend processes, data transformations, and integrations. This makes ToolJet a more comprehensive solution for creating internal tools and automations.
## Customizing Workflow Configuration
You can control workflow execution behavior using the following environment variables:
| Variable | Description | Default | Unit |
|-----------|-------------|---------|-------|
| `WORKFLOW_TIMEOUT_SECONDS` | Maximum duration a workflow execution can run before timing out. | 60 | seconds |
| `WORKFLOW_JS_MEMORY_LIMIT` | Maximum memory limit allocated to each `runjs` or `loop` node during execution. | 20 | MB |
| `WORKFLOW_JS_TIMEOUT` | Maximum time allowed for each `runjs` or `loop` node execution. | 100 | milliseconds |
These variables can be configured in your `.env` file to suit your performance and resource needs.
## Create Your First Workflow
This guide will walk you through creating your first workflow in ToolJet. You'll learn how to use the Workflow builder to create a simple automated process that fetches data from a database, filters it, and sends notifications based on certain conditions.
### Accessing the Workflow Builder
- Log in to your ToolJet account.
- From the main dashboard, click on the **Workflows** icon in the left sidebar.
- Click the **Create New Workflow** button to create a new workflow. Rename it to *sendEventNotification*.
### Step 1: Add a Database Query Node
You'll start by fetching employee data from a ToolJetDB table named *employees*.
- You'll see a **Start** node already on the canvas. This is the entry point of your workflow.
- Create an outgoing node from the **Start** node, and select the **ToolJetDB** node. Rename the node to *getEmployees*.
- Select Table name as *employees* and Operation as List view.
### Step 2: Transform Data Using RunJS Node
Next, you'll filter the employee data to include only those from California.
- Create an outgoing node from the **Start** node, and select the **RunJS** node. Rename it to *filterEmployeeList*.
- Enter the code below to filter out employees who are from California.
```js
return getEmployees.data.filter(employee =>
employee.location === "California")
```
### Step 3: Send Notifications
Next, you'll implement a loop to send SMS notifications to the filtered employees. The Loop node allows you to iterate through an array and perform an operation on each element.
- Create an outgoing node from the **filterEmployeeList** node, and select the **Loop** node. Rename it to *sendSMS*.
- Under Looped function, select **Twilio** as the data source. Configure the Operation as Send SMS, enter `{{value.number}}` in the To Number field.
- Under the Body field, enter the following message:
```js
Hey {{value.name}},
Here's the link with all the details for today's ToolJet
conference in California.
https://tooljet.com/events/{{value.location}}
```
### Step 4: Configure the Response Node
Finally, you'll set up conditions to handle the success or failure of the SMS sending process.
- Create a new outgoing **If condition** node from the *sendSMS* node.
- Enter the code below in the input field:
`sendSMS.status === "ok" ? true : false`
- Create an outgoing **Response** node from the green arrow to configure the response when the **If condition** node returns true.
Enter the following code to show the output as success when the SMS is successfully sent:
`return ({output: "success"})`
- Similarly, create an outgoing **Response** node from the red arrow to configure the response when the **If condition** node returns false. Enter the following code:
`return ({output: "failure"})`
### Step 5: Executing the Workflow
Click on the **Run** button on the top-right to execute the workflow. The logs panel will expand and provide an overview of all the nodes executed in this workflow.
- The **Input** section of the log will display all the incoming data to a node.
- The **Output** section will display the data that is transferred to the next node while Logs will display the sequence of execution, and success and error messages.
Congratulations on creating your first workflow! This workflow fetches data, transforms the data, sends SMS notifications, and handles success or failure responses.
As you saw in this example, ToolJet Workflows provides a streamlined way to extend the capabilities of your ToolJet applications and automate complex processes.