last ...

Models/Dtos/XAiMessageDto.cs

@@ -65,7 +65,7 @@ namespace xAiModels.Models.Dtos
         /// <summary>
         /// Meta Data of MEssage in Json ... 
         /// </summary>
-        public string MeatDatas
+        public string MetaDatas
         {
             //
             get => _metadata;

Models/Entities/XAiDocument.cs

@@ -0,0 +1,61 @@
+using System;
+using System.ComponentModel.DataAnnotations;
+using xModels.Base;
+
+namespace xAiModels.Models.Entities
+{
+    /// <summary>
+    /// Represents an embedd document in the AI system.
+    /// </summary>
+    public class XAiDocument : XBaseGuidIDEntity
+    {
+        /// <summary>
+        /// User Identifier ...
+        /// </summary>
+        /// <value></value>
+        [Required]
+        [StringLength(255)]
+        public string OwnerId { get; set; }
+
+        /// <summary>
+        /// Title of Document ...
+        /// </summary>
+        [StringLength(255)]
+        public string Title { get; set; }
+
+        /// <summary>
+        /// Content of Document ...
+        /// </summary>
+        public string Content { get; set; }
+
+        /// <summary>
+        /// Hash of the Document Content ...
+        /// </summary>
+        public string ContentHash { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Embedding Model Identifier ...
+        /// </summary>
+        public string EmbeddingModel { get; set; } = string.Empty;
+
+        /// <summary>
+        /// Dimensions of the Embedding ...
+        /// </summary>
+        public int Dimensions { get; set; }
+
+        /// <summary>
+        /// Vector representation of the Document ...
+        /// </summary>
+        public byte[] Vector { get; set; } = [];
+
+        /// <summary>
+        /// Created Time ...
+        /// </summary>
+        public DateTime CreatedOn { get; set; }
+
+        /// <summary>
+        /// Updated Time ...
+        /// </summary>
+        public DateTime UpdatedAt { get; set; }
+    }
+}

Models/Entities/XAiMessage.cs

@@ -61,7 +61,7 @@ namespace xAiModels.Models.Entities
         /// <summary>
         /// Meta Data of MEssage in Json ... 
         /// </summary>
-        public string MeatDatas
+        public string MetaDatas
         {
             //
             get => _metadata;