fix: Unique Id property parsing

Src/Notion.Client/Models/PropertyValue/PropertyValue.cs

@@ -29,6 +29,7 @@ namespace Notion.Client
  [JsonSubtypes.KnownSubTypeAttribute(typeof(StatusPropertyValue), PropertyValueType.Status)]
  [JsonSubtypes.KnownSubTypeAttribute(typeof(TitlePropertyValue), PropertyValueType.Title)]
  [JsonSubtypes.KnownSubTypeAttribute(typeof(UrlPropertyValue), PropertyValueType.Url)]
+ [JsonSubtypes.KnownSubTypeAttribute(typeof(UniqueIdPropertyValue), PropertyValueType.UniqueId)]
  [SuppressMessage("ReSharper", "UnusedMember.Global")]
  [SuppressMessage("ReSharper", "UnassignedGetOnlyAutoProperty")]
  public class PropertyValue

Src/Notion.Client/Models/PropertyValue/PropertyValueType.cs

@@ -70,6 +70,9 @@ public enum PropertyValueType
  LastEditedBy,
 
  [EnumMember(Value = "status")]
- Status
+ Status,
+
+ [EnumMember(Value = "unique_id")]
+ UniqueId,
  }
 }

Src/Notion.Client/Models/PropertyValue/UniqueIdPropertyValue.cs

@@ -0,0 +1,29 @@
+using System;
+using Newtonsoft.Json;
+
+namespace Notion.Client
+{
+ /// <summary>
+ /// Unique Id property value object.
+ /// </summary>
+ public class UniqueIdPropertyValue : PropertyValue
+ {
+ public override PropertyValueType Type => PropertyValueType.UniqueId;
+
+ /// <summary>
+ /// Unique Id property of database item
+ /// </summary>
+ [JsonProperty("unique_id")]
+ public UniqueIdValue UniqueId { get; set; }
+ }
+
+ public class UniqueIdValue
+ {
+ [JsonProperty("prefix")]
+ public string Prefix { get; set; }
+
+ [JsonProperty("number")]
+ public double? Number { get; set; }
+ }
+}
+