From e10dfbad3af0aa8f671e38737fef079e8fa92846 Mon Sep 17 00:00:00 2001
From: DomCR <DomCR@users.noreply.github.com>
Date: Tue, 23 Apr 2024 12:46:15 +0200
Subject: [PATCH] comment

---
 ACadSharp/Entities/Insert.cs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/ACadSharp/Entities/Insert.cs b/ACadSharp/Entities/Insert.cs
index 1f00b4fd..7f250d08 100644
--- a/ACadSharp/Entities/Insert.cs
+++ b/ACadSharp/Entities/Insert.cs
@@ -160,11 +160,19 @@ public Insert(BlockRecord block) : this(false)
 		}
 
 		/// <summary>
-		/// Updates all attribute definitions contained in the block reference as Attribute entitites in the insert
+		/// Updates all attribute definitions contained in the block reference as <see cref="AttributeDefinition"/> entitites in the insert
 		/// </summary>
-		/// <exception cref="NotImplementedException"></exception>
 		public void UpdateAttributes()
 		{
+			foreach (AttributeEntity att in this.Attributes)
+			{
+				//Tags are not unique, is it needed? check how the different applications link the atts
+				if (!this.Block.AttributeDefinitions.Select(d => d.Tag).Contains(att.Tag))
+				{
+					this.Attributes.Remove(att);
+				}
+			}
+
 			throw new NotImplementedException();
 		}