Add metadata property to CaptureRequest

src/Mollie.Api/Models/Capture/Request/CaptureRequest.cs

@@ -1,4 +1,7 @@
-namespace Mollie.Api.Models.Capture.Request {
+using Mollie.Api.JsonConverters;
+using Newtonsoft.Json;
+
+namespace Mollie.Api.Models.Capture.Request {
     public class CaptureRequest {
         /// <summary>
         /// The amount to capture.
@@ -9,5 +12,21 @@ public class CaptureRequest {
         /// The description of the capture you are creating.
         /// </summary>
         public string Description { get; set; }
+
+        /// <summary>
+        /// Provide any data you like, for example a string or a JSON object. We will save the data alongside the capture.
+        /// Whenever you fetch the capture with our API, we will also include the metadata. You can use up to
+        /// approximately 1kB.
+        /// </summary>
+        [JsonConverter(typeof(RawJsonConverter))]
+        public string Metadata { get; set; }
+
+        public void SetMetadata(object metadataObj, JsonSerializerSettings jsonSerializerSettings = null) {
+            this.Metadata = JsonConvert.SerializeObject(metadataObj, jsonSerializerSettings);
+        }
+
+        public override string ToString() {
+            return $"Amount: {this.Amount} Description: {this.Description}";
+        }
     }
 }