--- title: Configuring Variables description: Discover how to configure variables in your application with our comprehensive guide. Optimize your data and improve your code's performance! --- [Skip to content](https://support.intelligenceindustrielle.com/en/base-de-connaissance/configuring-variables#main-content) - [English](https://support.intelligenceindustrielle.com/en/base-de-connaissance/configuring-variables) - [Français](https://support.intelligenceindustrielle.com/fr/base-de-connaissance/configurer-des-variables) English Show submenu for translations ![](https://support.intelligenceindustrielle.com/hs-fs/hubfs/Logo%20Intelligence%20Industrielle.png?width=100&height=75&name=Logo%20Intelligence%20Industrielle.png) Open main navigation Close main navigation - - [English](https://support.intelligenceindustrielle.com/en/base-de-connaissance/configuring-variables) - [Français](https://support.intelligenceindustrielle.com/fr/base-de-connaissance/configurer-des-variables) English Show submenu for translations - Contact us Contact us How can we help you? - There are no suggestions because the search field is empty. 1. [Knowledge Base](https://support.intelligenceindustrielle.com/en/base-de-connaissance?hsLang=en) 2. [Advanced Features & Configuration 🤓](https://support.intelligenceindustrielle.com/en/base-de-connaissance/advanced-features-configuration?hsLang=en) 3. [Advanced Configuration - Expert's Zone](https://support.intelligenceindustrielle.com/en/base-de-connaissance/advanced-features-configuration?hsLang=en#advanced-configuration-experts-zone) May 1, 2025 # Configuring Variables ## Discover how to configure variables in your application with our comprehensive guide. Optimize your data and improve your code's performance! **Configuring variables** is an essential step to customize and optimize your application. Variables allow you to **store data** and reuse it in different parts of your program. In this article, we detail the steps to **add and configure variables**, as well as the **best practices** to follow for effective use. ### Step 1: Access the variables section To begin, access your application's configuration view and navigate to the **Variables** section. There, you will find a list or table displaying all the existing variables in your application. ### Step 2: Add a new variable To **add a variable**, click on the **Add** button located at the top right of the variables table. ### Step 3: Name the variable optimally In the add form, start by **naming your variable** in the **Variable Name** field. A clear and descriptive name facilitates maintenance and reuse of the variable in your application. #### **Variable naming rules:** 1. **Avoid spaces and special characters**: Use underscores (\_) to separate words if necessary. 2. **Numbers are allowed but not as the first character**: For example, `variable1` is valid, but not `1variable`. 3. **Do not use reserved names**: Avoid protected names such as `NOW` or `TIME`. 4. **Ensure unique names**: Each variable must have a unique name, different from other variables and flow properties. #### **Naming Example:** To convert a temperature from Celsius to Fahrenheit, you can name the variable `temperature_fahrenheit`. ### Step 4: Configure the variable expression After naming the variable, define its **expression**. The expression determines the value of the variable and can be: - **A constant**: A fixed number or a string of characters. - **A boolean expression**: Returns `true` or `false`. - **A mathematical expression**: Uses arithmetic operators to calculate a value. - **A conditional expression**: Uses ternary operators to implement conditions. #### Using existing variables in the expression To reference other variables or flow properties in your expression, use the `$` symbol. A dropdown list will appear, allowing you to select the desired variable. #### **Expression Example:** To convert a temperature in Celsius (variable `$temperature_celsius`) to Fahrenheit: ``` ($temperature_celsius * 9/5) + 32 ``` ### Step 5: Use Ternary operators for conditions (optional) **Ternary operators** allow you to introduce conditions into your expressions. They are useful for creating variables whose value depends on certain conditions. #### **General Syntax:** ``` condition ? value_if_true : value_if_false ``` #### **Usage Example:** To define a variable `is_hot` that is `true` if the temperature is above 25°C: ``` $temperature_celsius > 25 ? true : false ``` *To learn more, consult our article regarding our* [library of ternary functions](https://support.intelligenceindustrielle.com/en/base-de-connaissance/en/librairie-des-fonctions-ternaires?hsLang=en)*.* ### Step 6: Add units to the variable (optional) In the **Units** field, you can specify the **unit of measurement** of your variable. This is particularly useful for numerical values representing physical measurements. #### **Example:** For the variable `temperature_fahrenheit`, you can indicate `°F` as the unit. ### Step 7: Add a tag for better organization (optional) The **Label** field allows you to assign a **category** or **keyword** to your variable. Labels facilitate grouping and searching variables in your application, especially when there are a large number. #### **Example:** You can label your variable with `temperature` or `conversion` to find it more easily. ### Step 8: Save and finalize the variable Once all the fields are filled, click on **Save** to **add the variable** to your application. ### Best practices for configuring variables - **Name variables clearly**: Use descriptive names to facilitate code understanding. - **Verify expressions**: Ensure that formulas are correct to avoid runtime errors. - **Use units and labels**: Although optional, they improve readability and organization. - **Reuse variables**: Take advantage of the power of variables by referencing them in other expressions to optimize your code. ### Conclusion **Configuring variables** is a simple yet powerful approach to enrich and optimize your application. By following the outlined steps and applying these best practices, you can create effective variables and contribute to a more dynamic and functional application. Feel free to further explore the possibilities offered by expressions and ternary operators to **optimize your variables** and improve your application's performance. - [Key Concepts 🔑](https://support.intelligenceindustrielle.com/en/base-de-connaissance/key-concepts?hsLang=en#main-content) - [KPI Introduction](https://support.intelligenceindustrielle.com/en/base-de-connaissance/key-concepts?hsLang=en#kpi-introduction) - [Advanced Features & Configuration 🤓](https://support.intelligenceindustrielle.com/en/base-de-connaissance/advanced-features-configuration?hsLang=en#main-content) - [Advanced Configuration - Expert's Zone](https://support.intelligenceindustrielle.com/en/base-de-connaissance/advanced-features-configuration?hsLang=en#advanced-configuration-experts-zone) - [Tiles - Creation & Customization](https://support.intelligenceindustrielle.com/en/base-de-connaissance/advanced-features-configuration?hsLang=en#tiles-creation-customization) - [Advises & Best Practises 👌](https://support.intelligenceindustrielle.com/en/base-de-connaissance/advises-best-practises?hsLang=en#main-content) - [Tips & Advices](https://support.intelligenceindustrielle.com/en/base-de-connaissance/advises-best-practises?hsLang=en#tips-advices) - [Case Studies & Feedbacks](https://support.intelligenceindustrielle.com/en/base-de-connaissance/advises-best-practises?hsLang=en#case-studies-feedbacks) - [Getting Started 👣](https://support.intelligenceindustrielle.com/en/base-de-connaissance/getting-started?hsLang=en#main-content) - [User Manuals 📖](https://support.intelligenceindustrielle.com/en/base-de-connaissance/getting-started?hsLang=en#user-manuals) - [Initial Set-up ⚓](https://support.intelligenceindustrielle.com/en/base-de-connaissance/getting-started?hsLang=en#initial-set-up) - [Machine Connectivity 📡](https://support.intelligenceindustrielle.com/en/base-de-connaissance/machine-connectivity?hsLang=en#main-content) - [K2 IoT](https://support.intelligenceindustrielle.com/en/base-de-connaissance/machine-connectivity?hsLang=en#k2-iot) [![Logo Intelligence Industrielle](https://support.intelligenceindustrielle.com/hs-fs/hubfs/Logo%20Intelligence%20Industrielle-3.png?width=162&height=50&name=Logo%20Intelligence%20Industrielle-3.png "Logo Intelligence Industrielle")](https://www.intelligenceindustrielle.com) 266 rue Saint-Paul E, Montréal, (Québec) H2Y 1G9 [mailto:success@intelligenceindustrielle.com](mailto:success@intelligenceindustrielle.com) Copyright © 2025, Fait avec 🧠 par intelligenceindustrielle.com