---
title: Delete Instance(s) from Digital Twin for one Litmus Edge
slug: solutions/delete-instances-from-digital-twin-for-one-litmus-edge
docTags: 
createdAt: 2025-08-21T13:34:31.629Z
---

To delete Instance(s) with Litmus Excel Add-ins, you should be familiar with how Models work in [Digital Twins](docId\:xlj3gvOZyg_52Ue4pB5u7) on Litmus Edge. as well as the consequences.

# Before You Begin

- You have installed the Litmus Excel Add-ins extension. See [Install Litmus Excel Add-ins](docId\:GZDhBJ1xZZNDDThYOCuuu) for details.
- You have prepared a [Tool file](docId\:VLo483zs86LAl5dNmnSpU).  
- Instance(s) have been [added](docId\:YTEKaTuITkRmMMYRt5qwq) to Digital Twins.

# Initial Preparation

Open a new DT Instance Management Tool File in Excel.

If prompted, *Enable Content *to allow the code to run.

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/jzotppmZSPdRS7VZpFPvg_image.png" size="80" width="600" height="150" position="center" showCaption="false"}

Make sure the the tool is set **Connect To** is set to *One LE*.

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/aO7bYH1Wq3rNXSDl4Y98O_image.png" size="70" width="330" height="152" position="center" showCaption="false"}

# Delete Instance(s)

## Import Instance(s)

Import the Settings for Instance(s) defined on Litmus Edge using the [Import Instance(s) Wizard](docId\:XAVoZF7Yih7-eQqHvotlU).

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/czWpAS0OHjhId2QAwInXt_image.png" size="70" width="330" height="176" position="center" showCaption="false"}

Users can set a filter to reduce the number of Instance(s) shown as selection to the user.

- **Search Option**: Select what type of filter is to be used
- **Instance Name Mask**: Set the filter to be applied. Will be ignored if **Search Option** is set to *ALL*
- **Digital Twin Models**: Select if you want to search for Instance(s) only from a specific Model.
- The wizard will show what filter will be applied.

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/5-ssJvqbG7CaHD5S9xIIn_image.png" size="80" width="885" height="794" position="center" showCaption="false"}

- Press the **Search** button to pull the filtered List of Instance(s) from Litmus Edge.

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/Iyqt09L0iKz4z31T93Yo3_image.png" size="80" width="869" height="706" position="center" showCaption="false"}

- The user will be shown the filtered List of Instance(s) matching their filter.

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/tbu2Q1BTQZEbMi1O92hxr_image.png" size="80" width="879" height="766" position="center" showCaption="false"}

- Select the Instance(s) to import and press the **Import** button. 

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/2VRMkJ9s-QQj2FeEuLgSw_image.png" size="80" width="880" height="732" position="center" showCaption="false"}

:::hint{type="info"}


Users can choose between:

- Press** New Search** to set another filter and search again if the list doesn't show the Instance(s) the user wanted to import
- Select **All **Instance(s) using the Checkbox in the Header Row.
- Select a **Group** of Instance(s) by selecting their respective Check Box
- Select one **Instance **by selecting the respective Check Box
- Select **No **Instance and close the Wizard pressing the **Close** button instead.
:::

- The selected Instance(s) with their settings are imported into the sheet. 
  Once finished, the user can either.
  - perform another search using the **New Search** button
  - finish the import using the **Close** button

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/JxhZF3eQVuJS3Eohch5kx_image.png" size="80" width="1864" height="794" position="center" showCaption="false"}

- The **Action** for each imported tag is set to **M** for modify.

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/HyqmxCTCLKiLJtXYhLQ0x_image.png" size="80" width="639" height="255" position="center" showCaption="false"}

## Mark Instance(s) for deletion

Change the **Action **to **D** for the Instance(s) you want to delete on Litmus Edge.

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/ySzinPu_53zjIOfPUDJX5_image.png" size="80" width="520" height="162" position="center" showCaption="false"}

:::hint{type="info"}
**Notes**:

*Set the ****Action ****to ****I**** for ignore for Instance(s) in the sheet you do not want to process.*
:::

## Executing Actions

If the tool also includes Instance(s) with either the **Action A** or **M**, it is **Recommended **but not mandatory to verify the configuration first without executing the Action by pressing the **Verify Only** button.

::Image[]{src="https://images.archbee.com/SSUUxKZUk9bFTEPNn_6Zo/Q9S1Kcyzzso5eJl2JCjNu_image.png?format=webp?format=webp" size="80" width="295" height="175" position="center" showCaption="false"}

This will check that all required Instance Settings are provided and logically correct. And provide any finding to the user.
Example: Example: Below the user did not set a Topics (value is "") for the **Dynamic Attribute**.

::Image[]{src="https://images.archbee.com/SSUUxKZUk9bFTEPNn_6Zo/_DdlMvnPisd5RRC-gecAk_image.png?format=webp" size="80" width="516" height="411" position="center" showCaption="false"}

:::hint{type="warning"}
**Important: **The tool can not verify if all provided Instance settings are factually correct. For example it can not verify that the value of a Static Attribute is correct for what the user want to achieve.
:::

The Instance(s) can be deleted from Litmus Edge by pressing the **Verify + Execute** button.

::Image[]{src="https://images.archbee.com/SSUUxKZUk9bFTEPNn_6Zo/JDOw7rqh8mXm9jQtiMS10_image.png?format=webp?format=webp" size="80" width="264" height="152" position="center" showCaption="false"}

This will check that all required Instance Settings are provided and logically correct. And provide any finding to the user.
If no issues have been identified, the tool will verify that the user wants to execute **ALL** the actions from the **Action** Column:

1. **A**: Add Instance(s)
2. **M**: Modify Instance(s)
3. **D**: Delete Instance(s)
4. **I**: Ignore Instance(s) -> do nothing

To perform all actions, press the **Yes** button.

::Image[]{src="https://images.archbee.com/SSUUxKZUk9bFTEPNn_6Zo/kKYu01k9PeQhD-kzkFJyD_image.png?format=webp?format=webp" size="80" width="697" height="428" position="center" showCaption="false"}

The Tool will perform ALL Actions row by row. When finished, a result Summary is shown. Close the Result Summary by pressing the **X** close button.

![](https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/ai2ch9ZuMBXTZ_hs42ak5_image.png)

The tool will ask if the user wants to re-compare the Instance(s) against Litmus Edge.
To re-compare, press the **Yes **button.
To not re-compare, press the **No** button.

::Image[]{src="https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/ATM6xlndp8w9sdxBcCvHm_image.png" size="70" width="409" height="146" position="center" showCaption="false"}

If the User selected to press the **Yes **button from aboves messagebox, the tool will pull all the Instance settings from Litmus Edge again including the InstanceID and also change the **Action **to **M** for each Instance with a InstanceID or **A **for an Instance with no InstanceID. 

![](https://api.archbee.com/api/optimize/SSUUxKZUk9bFTEPNn_6Zo/vKd6BAWWczzTRwnZCPiqk_image.png)