Add onedrive.delete action documentation

source/_integrations/onedrive.markdown

@@ -110,6 +110,7 @@ action: onedrive.upload
 data:
   filename: /media/image.jpg
   destination_folder: Snapshots/2025
+  config_entry_id: a1bee602deade2b09bc522749bbce48e
 
 # Upload multiple files
 action: onedrive.upload
@@ -118,11 +119,49 @@ data:
     - /media/image_1.jpg
     - /media/image_2.jpg
   destination_folder: Snapshots/2025
+  config_entry_id: a1bee602deade2b09bc522749bbce48e
 ```
 
 
 {% enddetails %}
 
+The path part of `filename` must be in the `allowlist_external_dirs` in your [`homeassistant:`](/docs/configuration/basic/) section of your `configuration.yaml` file.
+
+The `destination_folder` must comply with [OneDrive naming restrictions](https://support.microsoft.com/en-us/office/restrictions-and-limitations-in-onedrive-and-sharepoint-64883a5d-228e-48f5-b3d2-eb39e07630fa). Folder names cannot contain the following characters: `" * : < > ? / \ |`.
+
+### Action `onedrive.delete`
+
+You can use the `onedrive.delete` action to delete one or more files from your OneDrive app folder.
+
+{% details "Delete action details" %}
+
+| Data attribute | Optional | Description | Example |
+| ---------------------- | -------- | ----------- | --------|
+| `destination_path` | no | One or more paths to files inside your `Apps/Home Assistant` app folder to delete. Supports subfolders. | Snapshots/2025/image.jpg |
+| `config_entry_id` | no | The ID of the OneDrive config entry (the OneDrive you want to delete from). | a1bee602deade2b09bc522749bbce48e |
+
+```yaml
+# Delete a single file
+action: onedrive.delete
+data:
+  destination_path: Snapshots/2025/image.jpg
+  config_entry_id: a1bee602deade2b09bc522749bbce48e
+
+# Delete multiple files
+action: onedrive.delete
+data:
+  destination_path:
+    - Snapshots/2025/image.jpg
+    - Snapshots/2025/image2.jpg
+  config_entry_id: a1bee602deade2b09bc522749bbce48e
+```
+
+{% enddetails %}
+
+{% note %}
+The `onedrive.delete` action removes only files, not the folders that were created during upload. Whether the deleted file is moved to the Recycle Bin or permanently removed depends on the **Delete files permanently** option in the integration settings.
+{% endnote %}
+
 ## Automations
 
 Get started with these automation examples.