---
title: Environment variables
description: "### App Builder The following environment variables can be used in the App Builder | **@wpda_wp_user_id** | WordPress user ID | | --- | --- | | **@now** | Current date (+ time) | | **now()** | Current date |…"
url: "https://docs.legacy.wpdataaccess.com/docs/environment-variables/"
updated: "2025-11-26"
category: Legacy Tools / Code / Plugin Variables
---

# Environment variables

### App Builder

The following environment variables can be used in the App Builder

| **@wpda_wp_user_id** | WordPress user ID |
| --- | --- |
| **@now** | Current date (+ time) |
| **now()** | Current date |

### Notes

- Variable @wpda_wp_user_id in default where (Table Builder)
- Variable @now as default value in the Form Builder
- Variable now() in default where (Table Builder)
- The user login and user email are still accessible through a query on the WordPress users table using variable @wpda_wp_user_id

### Tables, Forms and Templates (Legacy)

The following environment variables can be used in Tables, Forms and Templates.

| **$$USERID$$** | WordPress user ID **(please update to @wpda_wp_user_id)** |
| --- | --- |
| **$$USER$$** | WordPress user login |
| **$$EMAIL$$** | WordPress user email |
| **$$NOW$$** | Current date |
| **$$NOWDT$$** | Current date + time |

Environment variables can be used

- As default values in Project Templates
- In where clauses of Data Tables and Data Apps

### Notes

- Since version 5.2.3 the **WordPress user ID** is also available through session variable @wpda_wp_user_id for all local and remote database connections. This features allows plugin users to use the **WordPress user ID** in **queries**, **views**, **database triggers** and **stored procedures**. Custom values are supported as well and can be added using a hook. [Read more...](https://docs.rad.wpdataaccess.com/wpda_wp_user_id.html)