> For the complete documentation index, see [llms.txt](https://astro-rpa.gitbook.io/astro-rpa-user-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://astro-rpa.gitbook.io/astro-rpa-user-guide/astro-studio/uiexplorer.md).

# UI inspector

To study the interface structure of Windows desktop applications, Astro Studio has the UI Inspector panel. To start working, you should click the "Update the Tree" button ![](/files/eCJBoQu3zwaIEfGfx8cM). After clicking the button, the inspector will start to inspect all running applications and display the application structures that have a graphical interface. The left part of the panel displays the control tree.

![](/files/iAyyGTZm77HQtH7EA5OB)

When a controller is selected, its attributes will be displayed on the right side of the screen.

![](/files/iBOvJUmjgtDhCgH4juXf)

This information is convenient to use when building templates for searching for elements of desktop applications.

"Refresh tree (10s pause)" button ![](https://firebasestorage.googleapis.com/v0/b/gitbook-28427.appspot.com/o/assets%2F-M-L9CGkriEo1_2PfJzA%2F-M-fWe6B8c1_AR8PDcxp%2F-M-fXuGifejSF8xWgqer%2FbtnRefreshWait.png?alt=media\&token=215b84ca-ab6a-4265-b94c-e76ef7a68f66) updates the information about controllers with delay of 10 seconds. This function is used to get the main and context menues.

"Copy search pattern" button ![](https://firebasestorage.googleapis.com/v0/b/gitbook-28427.appspot.com/o/assets%2F-M-L9CGkriEo1_2PfJzA%2F-M-fXwi4j8foQPkn5UTH%2F-M-fYb1G9XpW4Ux2wtkD%2FbtnCopy.png?alt=media\&token=7e7853ca-f795-47a6-8c13-ef583f6eebc4) copies the search pattern of selected element to the clipboard.

"Add search pattern" button![](https://firebasestorage.googleapis.com/v0/b/gitbook-28427.appspot.com/o/assets%2F-M-L9CGkriEo1_2PfJzA%2F-M-fXwi4j8foQPkn5UTH%2F-M-fYf-PnMsH5Ky_XTR5%2FbtnSendPattern.png?alt=media\&token=c84bf794-aa48-407e-b1e8-6bad7afbc5e5) adds a new search bar to the current pattern.

"Add attribute" button![](https://firebasestorage.googleapis.com/v0/b/gitbook-28427.appspot.com/o/assets%2F-M-L9CGkriEo1_2PfJzA%2F-M-fXwi4j8foQPkn5UTH%2F-M-fYhhzTDyMa6KBxin0%2FbtnSendProperty.png?alt=media\&token=b4d66602-d7cd-498e-bfaa-8f27ac474fad) moves the selected attribute to the current search pattern.‌

"Search" button![](https://firebasestorage.googleapis.com/v0/b/gitbook-28427.appspot.com/o/assets%2F-M-L9CGkriEo1_2PfJzA%2F-M-fXwi4j8foQPkn5UTH%2F-M-fYkcklBSwzNqBIvFW%2FbtnSearch.png?alt=media\&token=b2c0e724-7db6-43b0-9234-0affd11deea3) searches for the entered information in the component tree, starting with the selected element.