> For the complete documentation index, see [llms.txt](https://docs.decisionrules.io/doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.decisionrules.io/doc/~/changes/VuchuDyabVa3NSXAKjpZ/decision-tables/input-and-output/simple-editor.md).
# Simple Editor
## Working with the input & output model editor
{% hint style="danger" %}
After making any changes to the input/output model, please make sure to save it by clicking the save button in the bottom right corner.
{% endhint %}
{% hint style="info" %}
All the changes are made only to the current rule version.
{% endhint %}
{% hint style="info" %}
There are no limitations in creating input/output model. A model can have unlimited number of root objects and children.
{% endhint %}
### Adding a Root object
To create a root object, click on  button.
### Adding a Child object
To create a child object, click on **+** sign on the parent object.
### Moving an Object to another Parent object (Dragging)
To move an object to another parent object or make it a child, drag the selected object and drop it on the parent object.
To make a child object as parent object, drag the selected child object and drop it on the same level as the parent object.
### Showing Children Objects
To show children objects, click on next to the parent object.
### Deleting an Object
To delete an object, click on  button on the object.
### Showing all structure
To show all structure and all object, click on  button.
### Showing only Parent objects
To show only parent object, click on  button.
### Renaming an Object
To rename an object, click on the **name** of the object. After that, an input is shown. When you are done making the changes, you can click anywhere outside the input box and the input box will disappear.
---
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