Refactored querydecoder because you cannot simply remove the dot for …

…dictionaries, as they are used by multiple query classes

Bynder/Sample/UploadSample.cs

@@ -78,6 +78,12 @@ private async Task RunUploadSampleAsync()
                 query.Description = description;
             }
 
+
+            query.MetapropertyOptions = new Dictionary<string,IList<string>>()
+            {
+                { "a", [ "b" ]}
+            };
+
             FileStream fileStream = null;
             if (passAsStream)
             {

Bynder/Sdk/Query/Asset/MediaQuery.cs

@@ -84,7 +84,7 @@ public class MediaQuery
         /// - If the metaproperty is of type text, the values refer to the text itself
         /// </remarks>
         /// 
-        [ApiField("property_", Converter = typeof(MetapropertyOptionsConverter))]
+        [ApiField("property_", Converter = typeof(MetapropertyOptionsConverter), OmitSeparator = true)]
         public IDictionary<string, IList<string>> MetaProperties { get; set; }
 
     }

Bynder/Sdk/Query/Decoder/ApiField.cs

@@ -1,4 +1,4 @@
-// Copyright (c) Bynder. All rights reserved.
+// Copyright (c) Bynder. All rights reserved.
 // Licensed under the MIT License. See LICENSE file in the project root for full license information.
 
 using System;
@@ -30,5 +30,10 @@ public ApiField(string name)
         /// Name of the property in the API documentation.
         /// </summary>
         public string ApiName { get; private set; }
+
+        /// <summary>
+        /// Indicates whether or not the separator (usually a dot) must be omitted when converting
+        /// </summary>
+        public bool OmitSeparator { get; set; }
     }
 }

Bynder/Sdk/Query/Decoder/QueryDecoder.cs

@@ -68,9 +68,10 @@ private void ConvertProperty(PropertyInfo propertyInfo, object query, IDictionar
             else if (Activator.CreateInstance(apiField.Converter) is ITypeToDictionaryConverter dictConverter
                 && dictConverter.CanConvert(propertyInfo.PropertyType))
             {
+                var separator = apiField.OmitSeparator ? string.Empty : ".";
                 foreach (var item in dictConverter.Convert(value))
                 {
-                    AddParam(parameters, $"{apiField.ApiName}{item.Key}", item.Value);
+                    AddParam(parameters, $"{apiField.ApiName}{separator}{item.Key}", item.Value);
                 }
             }
         }