diff --git a/.openapi-generator/FILES b/.openapi-generator/FILES
index 553aaf3..36b3e7f 100644
--- a/.openapi-generator/FILES
+++ b/.openapi-generator/FILES
@@ -24,6 +24,7 @@ src/Regula.FaceSDK.WebClient/Model/DetectionQuality.cs
 src/Regula.FaceSDK.WebClient/Model/FaceAttribute.cs
 src/Regula.FaceSDK.WebClient/Model/FaceImageQualityAlignType.cs
 src/Regula.FaceSDK.WebClient/Model/FaceImageQualityGroups.cs
+src/Regula.FaceSDK.WebClient/Model/FaceImageQualityGroupsStrings.cs
 src/Regula.FaceSDK.WebClient/Model/FaceImageQualityStatus.cs
 src/Regula.FaceSDK.WebClient/Model/FaceQualityConfigName.cs
 src/Regula.FaceSDK.WebClient/Model/FaceQualityScenarios.cs
diff --git a/src/Regula.FaceSDK.WebClient/Model/FaceImageQualityGroupsStrings.cs b/src/Regula.FaceSDK.WebClient/Model/FaceImageQualityGroupsStrings.cs
new file mode 100644
index 0000000..b46d5e4
--- /dev/null
+++ b/src/Regula.FaceSDK.WebClient/Model/FaceImageQualityGroupsStrings.cs
@@ -0,0 +1,86 @@
+/*
+ * Regula FaceSDK Web API
+ *
+ * Regula FaceSDK Web API # Clients * [JavaScript](https://github.com/regulaforensics/FaceSDK-web-js-client) client for the browser and node.js based on axios * [Java](https://github.com/regulaforensics/FaceSDK-web-java-client) client compatible with jvm and android * [Python](https://github.com/regulaforensics/FaceSDK-web-python-client) 3.5+ client * [C#](https://github.com/regulaforensics/FaceSDK-web-csharp-client) client for .NET & .NET Core 
+ *
+ * The version of the OpenAPI document: 5.2.0
+ * 
+ * Generated by: https://github.com/openapitools/openapi-generator.git
+ */
+
+using System;
+using System.Linq;
+using System.IO;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Runtime.Serialization;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using System.ComponentModel.DataAnnotations;
+using OpenAPIDateConverter = Regula.FaceSDK.WebClient.Client.OpenAPIDateConverter;
+
+namespace Regula.FaceSDK.WebClient.Model
+{
+    /// <summary>
+    /// Face image quality group types for face image quality assessment.
+    /// </summary>
+    /// <value>Face image quality group types for face image quality assessment.</value>
+    
+    [JsonConverter(typeof(StringEnumConverter))]
+    
+    public enum FaceImageQualityGroupsStrings
+    {
+        /// <summary>
+        /// Enum IMAGE_CHARACTERISTICS for value: ImageCharacteristics
+        /// </summary>
+        [EnumMember(Value = "ImageCharacteristics")]
+        IMAGE_CHARACTERISTICS = 1,
+
+        /// <summary>
+        /// Enum HEAD_SIZE_AND_POSITIONS for value: HeadSizeAndPosition
+        /// </summary>
+        [EnumMember(Value = "HeadSizeAndPosition")]
+        HEAD_SIZE_AND_POSITIONS = 2,
+
+        /// <summary>
+        /// Enum FACE_QUALITY for value: FaceQuality
+        /// </summary>
+        [EnumMember(Value = "FaceQuality")]
+        FACE_QUALITY = 3,
+
+        /// <summary>
+        /// Enum EYES_CHARACTERISTICS for value: EyesCharacteristics
+        /// </summary>
+        [EnumMember(Value = "EyesCharacteristics")]
+        EYES_CHARACTERISTICS = 4,
+
+        /// <summary>
+        /// Enum SHADOWS_AND_LIGHTNING for value: ShadowsAndLightning
+        /// </summary>
+        [EnumMember(Value = "ShadowsAndLightning")]
+        SHADOWS_AND_LIGHTNING = 5,
+
+        /// <summary>
+        /// Enum POSE_AND_EXPRESSION for value: PoseAndExpression
+        /// </summary>
+        [EnumMember(Value = "PoseAndExpression")]
+        POSE_AND_EXPRESSION = 6,
+
+        /// <summary>
+        /// Enum HEAD_OCCLUSION for value: HeadOcclusion
+        /// </summary>
+        [EnumMember(Value = "HeadOcclusion")]
+        HEAD_OCCLUSION = 7,
+
+        /// <summary>
+        /// Enum BACKGROUND for value: Background
+        /// </summary>
+        [EnumMember(Value = "Background")]
+        BACKGROUND = 8
+
+    }
+
+}
diff --git a/src/Regula.FaceSDK.WebClient/Model/FaceSDKResultCode.cs b/src/Regula.FaceSDK.WebClient/Model/FaceSDKResultCode.cs
index df0f4b6..60b2a53 100644
--- a/src/Regula.FaceSDK.WebClient/Model/FaceSDKResultCode.cs
+++ b/src/Regula.FaceSDK.WebClient/Model/FaceSDKResultCode.cs
@@ -36,6 +36,41 @@ public enum FaceSDKResultCode
         /// </summary>
         FACER_OK = 0,
 
+        /// <summary>
+        /// Enum FR_IMAGE_EMPTY for value: 1
+        /// </summary>
+        FR_IMAGE_EMPTY = 1,
+
+        /// <summary>
+        /// Enum FR_FACE_NOT_DETECTED for value: 2
+        /// </summary>
+        FR_FACE_NOT_DETECTED = 2,
+
+        /// <summary>
+        /// Enum FR_LANDMARKS_NOT_DETECTED for value: 3
+        /// </summary>
+        FR_LANDMARKS_NOT_DETECTED = 3,
+
+        /// <summary>
+        /// Enum FR_FACE_ALIGHNER_FAILED for value: 4
+        /// </summary>
+        FR_FACE_ALIGHNER_FAILED = 4,
+
+        /// <summary>
+        /// Enum FR_DESCRIPTOR_EXTRACTOR_ERROR for value: 5
+        /// </summary>
+        FR_DESCRIPTOR_EXTRACTOR_ERROR = 5,
+
+        /// <summary>
+        /// Enum FR_IMAGE_DECODE_ERROR for value: 6
+        /// </summary>
+        FR_IMAGE_DECODE_ERROR = 6,
+
+        /// <summary>
+        /// Enum FR_INTERNAL_ERROR for value: 7
+        /// </summary>
+        FR_INTERNAL_ERROR = 7,
+
         /// <summary>
         /// Enum FACER_CONFIG_ERROR for value: 199
         /// </summary>
diff --git a/src/Regula.FaceSDK.WebClient/Model/Image.cs b/src/Regula.FaceSDK.WebClient/Model/Image.cs
index 2ab81c3..91a6500 100644
--- a/src/Regula.FaceSDK.WebClient/Model/Image.cs
+++ b/src/Regula.FaceSDK.WebClient/Model/Image.cs
@@ -37,7 +37,7 @@ public partial class Image :  IEquatable<Image>, IValidatableObject
         /// <param name="contentType">Original media type of the returned image..</param>
         /// <param name="createdAt">Returned image creation date..</param>
         /// <param name="updatedAt">Returned image update date..</param>
-        /// <param name="path">Returned image S3 path..</param>
+        /// <param name="path">Returned image path..</param>
         /// <param name="url">Returned image URL..</param>
         /// <param name="metadata">A free-form object containing person&#39;s extended attributes..</param>
         public Image(int id = default(int), string contentType = default(string), string createdAt = default(string), string updatedAt = default(string), string path = default(string), string url = default(string), Dictionary<string, Object> metadata = default(Dictionary<string, Object>))
@@ -80,9 +80,9 @@ public partial class Image :  IEquatable<Image>, IValidatableObject
         public string UpdatedAt { get; set; }
 
         /// <summary>
-        /// Returned image S3 path.
+        /// Returned image path.
         /// </summary>
-        /// <value>Returned image S3 path.</value>
+        /// <value>Returned image path.</value>
         [DataMember(Name="path", EmitDefaultValue=false)]
         public string Path { get; set; }
 
diff --git a/src/Regula.FaceSDK.WebClient/Model/ImageFieldsImage.cs b/src/Regula.FaceSDK.WebClient/Model/ImageFieldsImage.cs
index 058978c..976e30d 100644
--- a/src/Regula.FaceSDK.WebClient/Model/ImageFieldsImage.cs
+++ b/src/Regula.FaceSDK.WebClient/Model/ImageFieldsImage.cs
@@ -35,7 +35,7 @@ public partial class ImageFieldsImage :  IEquatable<ImageFieldsImage>, IValidata
         /// </summary>
         /// <param name="contentType">Original media type of the uploaded image..</param>
         /// <param name="content">Base64 encoded image..</param>
-        /// <param name="imageUrl">Image URL, can be a link to Amazon S3, Google Storage, File System, or HTTP(S)..</param>
+        /// <param name="imageUrl">Image URL..</param>
         /// <param name="resizeOptions">resizeOptions.</param>
         public ImageFieldsImage(string contentType = default(string), byte[] content = default(byte[]), string imageUrl = default(string), ResizeOptions resizeOptions = default(ResizeOptions))
         {
@@ -60,9 +60,9 @@ public partial class ImageFieldsImage :  IEquatable<ImageFieldsImage>, IValidata
         public byte[] Content { get; set; }
 
         /// <summary>
-        /// Image URL, can be a link to Amazon S3, Google Storage, File System, or HTTP(S).
+        /// Image URL.
         /// </summary>
-        /// <value>Image URL, can be a link to Amazon S3, Google Storage, File System, or HTTP(S).</value>
+        /// <value>Image URL.</value>
         [DataMember(Name="imageUrl", EmitDefaultValue=false)]
         public string ImageUrl { get; set; }
 
diff --git a/src/Regula.FaceSDK.WebClient/Model/QualityDetailsGroups.cs b/src/Regula.FaceSDK.WebClient/Model/QualityDetailsGroups.cs
index d676c88..572f78e 100644
--- a/src/Regula.FaceSDK.WebClient/Model/QualityDetailsGroups.cs
+++ b/src/Regula.FaceSDK.WebClient/Model/QualityDetailsGroups.cs
@@ -39,7 +39,7 @@ public partial class QualityDetailsGroups :  IEquatable<QualityDetailsGroups>, I
         /// Gets or Sets Name
         /// </summary>
         [DataMember(Name="name", EmitDefaultValue=false)]
-        public FaceImageQualityGroups? Name { get; set; }
+        public FaceImageQualityGroupsStrings? Name { get; set; }
         /// <summary>
         /// Initializes a new instance of the <see cref="QualityDetailsGroups" /> class.
         /// </summary>
@@ -47,7 +47,7 @@ public partial class QualityDetailsGroups :  IEquatable<QualityDetailsGroups>, I
         /// <param name="name">name.</param>
         /// <param name="totalCount">The total number of characteristics in the group..</param>
         /// <param name="compliantCount">The number of compliant characteristics in the group..</param>
-        public QualityDetailsGroups(FaceImageQualityGroups? groupId = default(FaceImageQualityGroups?), FaceImageQualityGroups? name = default(FaceImageQualityGroups?), int totalCount = default(int), int compliantCount = default(int))
+        public QualityDetailsGroups(FaceImageQualityGroups? groupId = default(FaceImageQualityGroups?), FaceImageQualityGroupsStrings? name = default(FaceImageQualityGroupsStrings?), int totalCount = default(int), int compliantCount = default(int))
         {
             this.GroupId = groupId;
             this.Name = name;
diff --git a/src/Regula.FaceSDK.WebClient/Model/RecognizeImage.cs b/src/Regula.FaceSDK.WebClient/Model/RecognizeImage.cs
index 2b5401b..7708217 100644
--- a/src/Regula.FaceSDK.WebClient/Model/RecognizeImage.cs
+++ b/src/Regula.FaceSDK.WebClient/Model/RecognizeImage.cs
@@ -37,7 +37,7 @@ public partial class RecognizeImage :  IEquatable<RecognizeImage>, IValidatableO
         /// <param name="contentType">Original media type of the returned image..</param>
         /// <param name="createdAt">Returned image creation date..</param>
         /// <param name="updatedAt">Returned image update date..</param>
-        /// <param name="path">Returned image S3 path..</param>
+        /// <param name="path">Returned image path..</param>
         /// <param name="url">Returned image URL..</param>
         /// <param name="metadata">A free-form object containing person&#39;s extended attributes..</param>
         /// <param name="similarity">Similarity score..</param>
@@ -84,9 +84,9 @@ public partial class RecognizeImage :  IEquatable<RecognizeImage>, IValidatableO
         public string UpdatedAt { get; set; }
 
         /// <summary>
-        /// Returned image S3 path.
+        /// Returned image path.
         /// </summary>
-        /// <value>Returned image S3 path.</value>
+        /// <value>Returned image path.</value>
         [DataMember(Name="path", EmitDefaultValue=false)]
         public string Path { get; set; }
 
diff --git a/src/Regula.FaceSDK.WebClient/Model/TransactionInfo.cs b/src/Regula.FaceSDK.WebClient/Model/TransactionInfo.cs
index 9910042..870fdbc 100644
--- a/src/Regula.FaceSDK.WebClient/Model/TransactionInfo.cs
+++ b/src/Regula.FaceSDK.WebClient/Model/TransactionInfo.cs
@@ -37,10 +37,10 @@ public partial class TransactionInfo :  IEquatable<TransactionInfo>, IValidatabl
         /// <param name="status">Whether the liveness detection is confirmed (0) or not (1)..</param>
         /// <param name="tag">Session identificator..</param>
         /// <param name="transactionId">Transaction ID, there can be several transactions within one session..</param>
-        /// <param name="video">An S3 link to the session video..</param>
+        /// <param name="video">Link to the session video..</param>
         /// <param name="images">List of base64 images.</param>
         /// <param name="estimatedAge">Approximate age with an accuracy of +/-3 years..</param>
-        /// <param name="portrait">S3 link to the portrait..</param>
+        /// <param name="portrait">Link to the portrait..</param>
         /// <param name="metadata">A free-form object containing person&#39;s extended attributes..</param>
         public TransactionInfo(int code = default(int), int status = default(int), string tag = default(string), string transactionId = default(string), string video = default(string), List<string> images = default(List<string>), int estimatedAge = default(int), string portrait = default(string), Dictionary<string, Object> metadata = default(Dictionary<string, Object>))
         {
@@ -84,9 +84,9 @@ public partial class TransactionInfo :  IEquatable<TransactionInfo>, IValidatabl
         public string TransactionId { get; set; }
 
         /// <summary>
-        /// An S3 link to the session video.
+        /// Link to the session video.
         /// </summary>
-        /// <value>An S3 link to the session video.</value>
+        /// <value>Link to the session video.</value>
         [DataMember(Name="video", EmitDefaultValue=false)]
         public string Video { get; set; }
 
@@ -105,9 +105,9 @@ public partial class TransactionInfo :  IEquatable<TransactionInfo>, IValidatabl
         public int EstimatedAge { get; set; }
 
         /// <summary>
-        /// S3 link to the portrait.
+        /// Link to the portrait.
         /// </summary>
-        /// <value>S3 link to the portrait.</value>
+        /// <value>Link to the portrait.</value>
         [DataMember(Name="portrait", EmitDefaultValue=false)]
         public string Portrait { get; set; }