diff --git a/src/SuperMemoAssistant.Interop/Interop/SuperMemo/Elements/Builders/ElementBuilder.cs b/src/SuperMemoAssistant.Interop/Interop/SuperMemo/Elements/Builders/ElementBuilder.cs
index c578b28..30e0bb6 100644
--- a/src/SuperMemoAssistant.Interop/Interop/SuperMemo/Elements/Builders/ElementBuilder.cs
+++ b/src/SuperMemoAssistant.Interop/Interop/SuperMemo/Elements/Builders/ElementBuilder.cs
@@ -125,6 +125,9 @@ public ElementBuilder(ElementType type,
     /// <summary>The kind of element (e.g. article, item, task, ...)</summary>
     public ElementType Type { get; }
 
+    /// <summary>Defines the initial interval for the element</summary>
+    public int Interval { get; private set; } = 1;
+
     /// <summary>The content definitions (e.g. text, images, ...)</summary>
     public List<ContentBase> Contents { get; } = new List<ContentBase>();
 
@@ -298,6 +301,18 @@ public ElementBuilder WithTemplate(ITemplate template)
       return this;
     }
 
+    /// <summary>Determines the element's initial interval</summary>
+    /// <param name="interval"></param>
+    /// <returns></returns>
+    public ElementBuilder WithInterval(int interval)
+    {
+      if (interval < 1)
+        interval = 1;
+
+      Interval = interval;
+      return this;
+    }
+
     /// <summary>Defines how to apply <see cref="Template"/></summary>
     /// <param name="applyMode"></param>
     /// <returns></returns>