From 5f77c0e254c8daaea042af89d87b73cb0128e790 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fernando=20Lo=CC=81pez=20Guevara?=
 <fernando.lguevara@gmail.com>
Date: Wed, 26 Jul 2023 09:58:44 -0300
Subject: [PATCH] feat(nip100): ask for empty/non present tags

---
 100.md | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/100.md b/100.md
index 2a8222b..306fe6f 100644
--- a/100.md
+++ b/100.md
@@ -21,6 +21,15 @@ Below is an example filter that matches events with a `g` tag in their structure
 }
 ```
 
+Other filter example that matches events with an empty/non present `e` tag in their structure:
+
+
+```json
+{
+  "tags": ["!e"]
+}
+```
+
 Suggested Use Cases
 -------------------
 One of the suggested use cases for this NIP is for location-specific events. Clients can utilize the provided filter example to locate events with specific location-related tags, regardless of how the location information has been stored in the events.
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