---
title: "Changes to Preview a single If/Conditional Check leaf - the same lookup evaluate() uses internally (Variable/Expression/Time/GPIO Pin/Sun), before any comparator/Value is applied. Backs the If condition editor's \"Show Current Value\" button, so picking the right Value to compare against isn't guesswork."
method: GET
path: "/api/fppd/condition/preview"
---

# Changes to Preview a single If/Conditional Check leaf - the same lookup evaluate() uses internally (Variable/Expression/Time/GPIO Pin/Sun), before any comparator/Value is applied. Backs the If condition editor's "Show Current Value" button, so picking the right Value to compare against isn't guesswork.

`GET /api/fppd/condition/preview`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 50 revisions.

- **2026-07-28** `09e446cb7926` — 3 info
- **2026-07-24** `5dc4f0eccb06` — 1 info

## Changes

- **2026-07-28** `09e446cb7926` — 3 info
  - added the new optional `query` request parameter `comparator`
  - added the new optional `query` request parameter `not`
  - added the new optional `query` request parameter `value`
- **2026-07-24** `5dc4f0eccb06` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/falconchristmas/apis/fpp-api/docs/api/fppd/condition/preview/get.md) · [API](https://skmtc.dev/falconchristmas/apis/fpp-api.md) · [Page](https://skmtc.dev/falconchristmas/apis/fpp-api/changes/api/fppd/condition/preview/get)