diff --git a/src/Seq.Api/Model/Apps/AppSettingPart.cs b/src/Seq.Api/Model/Apps/AppSettingPart.cs
index d04f83e..47dd5f7 100644
--- a/src/Seq.Api/Model/Apps/AppSettingPart.cs
+++ b/src/Seq.Api/Model/Apps/AppSettingPart.cs
@@ -12,6 +12,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
+using System.Collections.Generic;
+
 namespace Seq.Api.Model.Apps
 {
     /// <summary>
@@ -40,11 +42,17 @@ public class AppSettingPart
         public string HelpText { get; set; }
 
         /// <summary>
-        /// The type of value accepted for the setting; valid values are <c>Text</c>,
+        /// The type of value accepted for the setting; valid values are <c>Text</c>, <c>Select</c>,
         /// <c>LongText</c>, <c>Checkbox</c>, <c>Integer</c>, <c>Decimal</c>, and <c>Password</c>.
         /// </summary>
         /// <remarks>An enum was historically not used here in order to improve
         /// forwards/backwards compatibility.</remarks>
         public string Type { get; set; }
+        
+        /// <summary>
+        /// For settings of <see cref="Type"/> <c>Select</c>, a description of the values that can be chosen
+        /// for the setting.
+        /// </summary>
+        public List<AppSettingValuePart> AllowedValues { get; set; } = new List<AppSettingValuePart>();
     }
 }
diff --git a/src/Seq.Api/Model/Apps/AppSettingValuePart.cs b/src/Seq.Api/Model/Apps/AppSettingValuePart.cs
new file mode 100644
index 0000000..f082929
--- /dev/null
+++ b/src/Seq.Api/Model/Apps/AppSettingValuePart.cs
@@ -0,0 +1,19 @@
+namespace Seq.Api.Model.Apps
+{
+    /// <summary>
+    /// Describes a value accepted for an <see cref="AppSettingPart"/> with type <c>Select</c>.
+    /// </summary>
+    public class AppSettingValuePart
+    {
+        /// <summary>
+        /// The value accepted for the setting.
+        /// </summary>
+        public string Value { get; set; }
+        
+        /// <summary>
+        /// Optionally, a description of the value, which Seq will use as the value's label in the UI. By default,
+        /// the <see cref="Value"/> will be used as the label.
+        /// </summary>
+        public string Description { get; set; }
+    }
+}
\ No newline at end of file
diff --git a/src/Seq.Api/Model/Workspaces/WorkspaceEntity.cs b/src/Seq.Api/Model/Workspaces/WorkspaceEntity.cs
index f7b434c..887d3f7 100644
--- a/src/Seq.Api/Model/Workspaces/WorkspaceEntity.cs
+++ b/src/Seq.Api/Model/Workspaces/WorkspaceEntity.cs
@@ -13,6 +13,7 @@
 // limitations under the License.
 
 using Seq.Api.Model.Security;
+using Seq.Api.Model.Signals;
 
 namespace Seq.Api.Model.Workspaces
 {
@@ -42,6 +43,12 @@ public class WorkspaceEntity : Entity
         /// </summary>
         public bool IsProtected { get; set; }
 
+        /// <summary>
+        /// An optional <see cref="SignalExpressionPart"/> that will be activated when opening the <em>Events</em>
+        /// screen with the workspace selected.
+        /// </summary>
+        public SignalExpressionPart DefaultSignalExpression { get; set; }
+        
         /// <summary>
         /// Content included in the workspace.
         /// </summary>
diff --git a/src/Seq.Api/Seq.Api.csproj b/src/Seq.Api/Seq.Api.csproj
index 0d16051..912ab15 100644
--- a/src/Seq.Api/Seq.Api.csproj
+++ b/src/Seq.Api/Seq.Api.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <Description>Client library for the Seq HTTP API.</Description>
-    <VersionPrefix>2020.4.1</VersionPrefix>
+    <VersionPrefix>2020.5.0</VersionPrefix>
     <Authors>Datalust;Contributors</Authors>
     <TargetFramework>netstandard2.0</TargetFramework>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>