Add collation.

csharp/Squidex.ClientLibrary/Directory.Build.props

@@ -15,7 +15,7 @@
     <PackageTags>Squidex HeadlessCMS</PackageTags>
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-    <Version>20.0.0</Version>
+    <Version>20.1.0</Version>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(GITHUB_ACTIONS)' == 'true'">

csharp/Squidex.ClientLibrary/Squidex.ClientLibrary.Tests/ContentQueryTests.cs

@@ -81,6 +81,26 @@ public void ContentQuery_with_search_and_filter()
         Assert.Equal("?$filter=my-filter&$search=\"my-search\"", query);
     }
 
+    [Fact]
+    public void ContentQuery_with_random()
+    {
+        var query = new ContentQuery { Random = 42 }
+            .ToQuery(true, options)
+            .ToString();
+
+        Assert.Equal("?random=42", query);
+    }
+
+    [Fact]
+    public void ContentQuery_with_collation()
+    {
+        var query = new ContentQuery { Collation = "tr" }
+            .ToQuery(true, options)
+            .ToString();
+
+        Assert.Equal("?collation=tr", query);
+    }
+
     [Fact]
     public void ContentQuery_with_ids()
     {

csharp/Squidex.ClientLibrary/Squidex.ClientLibrary/ContentQuery.cs

@@ -90,6 +90,11 @@ public class ContentQuery
     /// </value>
     public string? Search { get; set; }
 
+    /// <summary>
+    /// The locale that is used to compare strings.
+    /// </summary>
+    public string? Collation { get; set; }
+
     /// <summary>
     /// Pick a random number of elements from the result set.
     /// </summary>
@@ -103,6 +108,7 @@ internal Query ToQuery(bool supportsSearch, SquidexOptions options)
         q.Append("$top", Top);
         q.Append("$orderby", OrderBy);
         q.Append("$filter", Filter);
+        q.Append("collation", Collation);
         q.Append("random", Random);
         q.AppendMany("ids", Ids);