From 08e7db4648cd2f820e0d63d012f42057a124dd82 Mon Sep 17 00:00:00 2001
From: Elias Meire <elias@meire.dev>
Date: Mon, 22 Jan 2024 12:39:53 +0100
Subject: [PATCH] fix(Notion Node): Fix is_empty query on formula fields
 (#8397)

---
 .../nodes-base/nodes/Notion/GenericFunctions.ts    | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/packages/nodes-base/nodes/Notion/GenericFunctions.ts b/packages/nodes-base/nodes/Notion/GenericFunctions.ts
index 73190752e323b..6dced42752b0a 100644
--- a/packages/nodes-base/nodes/Notion/GenericFunctions.ts
+++ b/packages/nodes-base/nodes/Notion/GenericFunctions.ts
@@ -559,12 +559,16 @@ export function mapFilters(filtersList: IDataObject[], timezone: string) {
 		}
 
 		if (value.type === 'formula') {
-			const vpropertyName = value[`${camelCase(value.returnType as string)}Value`];
+			if (['is_empty', 'is_not_empty'].includes(value.condition as string)) {
+				key = value.returnType;
+			} else {
+				const vpropertyName = value[`${camelCase(value.returnType as string)}Value`];
 
-			return Object.assign(obj, {
-				['property']: getNameAndType(value.key as string).name,
-				[key]: { [value.returnType]: { [`${value.condition}`]: vpropertyName } },
-			});
+				return Object.assign(obj, {
+					['property']: getNameAndType(value.key as string).name,
+					[key]: { [value.returnType]: { [`${value.condition}`]: vpropertyName } },
+				});
+			}
 		}
 
 		return Object.assign(obj, {