diff --git a/src/types.ts b/src/types.ts
index 6754459..c381a7b 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -12,7 +12,10 @@ export type FieldType =
   | 'tags'
   | 'note-link'
   | 'folder-picker'
-  | 'rating';
+  | 'rating'
+  | 'slider'
+  | 'color'
+  | 'time';
 
 export interface FormField {
   id: string;
@@ -25,6 +28,12 @@ export interface FormField {
   options?: string[];
   /** For note-link: restrict to files in this folder. */
   folder?: string;
+  /** For slider: minimum value. */
+  min?: number;
+  /** For slider: maximum value. */
+  max?: number;
+  /** For slider: step increment. */
+  step?: number;
 }
 
 // ---------------------------------------------------------------------------