---
sourceDocument: Yokohama Build or modify applications
sourceDocumentLink: https://servicenow-prod.fluidtopics.net/r/yokohama/application-development

 Release :

    - yokohama

ft:locale :

    - en-US

ft:publication_title :

    - Yokohama Build or modify applications

ft:clusterId :

    - cadev

bundleId :

    - cadev

workflow :

    - Development, Data, and Analytics


---

# Install the ServiceNow Fluent Language server

# Install the ServiceNow Fluent Language server in Visual Studio Code {#ariaid-title1}

* Release version: Yokohama
* 
* Updated March 12, 2026
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Get language processing and validation for ServiceNow Fluent in Visual Studio Code with the ServiceNow Fluent Language server.

## Before you begin

Role required: admin

## About this task

The ServiceNow Fluent Language server provides code completion features and validation for ServiceNow Fluent language files (.now.ts) and for ServiceNow SDK configuration files (now.config.json).

## Procedure

1. In Visual Studio Code, select the Extensions view from the Activity Bar.
2. Search for <kbd class="ph userinput">ServiceNow® Fluent Language</kbd>.
3. Select Install.

## What to do next

To use ServiceNow Fluent in applications with the ServiceNow SDK, see [Define application metadata in code with ServiceNow Fluent and the ServiceNow SDK](https://servicenow-prod.fluidtopics.net/sRujRdnGwICW1IeE5~UHrw "Define application metadata in code with ServiceNow Fluent and the ServiceNow SDK.").
**Related concepts**   

* [ServiceNow Fluent](https://servicenow-prod.fluidtopics.net/~uRaWXiuRJuyUsvJypBknQ "Define application metadata in source code using the ServiceNow Fluent domain-specific programming language.")  
**Related tasks**   

* [Install the ServiceNow SDK in an application](https://servicenow-prod.fluidtopics.net/k~gkz9vBFlqObVMDsORqdA "Install the ServiceNow software development kit (SDK) in a local application using Node Package Manager (npm).")
* [Upgrade the ServiceNow SDK](https://servicenow-prod.fluidtopics.net/aV~ECWS30Uq6ANZr0cw~aQ "Upgrade to the latest version of the ServiceNow SDK for use with instances beginning with the Washington DC release.")