# \[IGN-8167\]Expression structure binding woes

**URL:** <https://forum.inductiveautomation.com/t/ign-8167-expression-structure-binding-woes/77533>\
**Category:** Ignition\
**Tags:** perspective\
**Created:** [August 7, 2023, 4:42am UTC](https://forum.inductiveautomation.com/t/ign-8167-expression-structure-binding-woes/77533 "2023-08-07T04:42:18Z")\
**Posts on this page:** 1\
**Showing post:** 13

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**Author:** ![paul-griffith](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/paul-griffith/32/37249_2.png) [@paul-griffith](https://forum.inductiveautomation.com/u/paul-griffith)\
**Post date:** [August 7, 2023, 5:46pm UTC](https://forum.inductiveautomation.com/t/ign-8167-expression-structure-binding-woes/77533/13 "2023-08-07T17:46:31Z")

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> [@Use CSS Variable instead of Python Script](https://forum.inductiveautomation.com/t/use-css-variable-instead-of-python-script/77501/16):
>
> Are you expecting us to read error messages?

😂

> [@Transistor](#):
>
> Could it be pre-selected so that it gets deleted with a single key-press or function insertion?

Ah, that's interesting. When you open an expression structure on an existing object, it doesn't pre-select anything, but when you create a brand new one it does auto-focus the key.

So given:  
 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/a/4/a483730418d33de4f70c7bb566291e8c3a3dfdf1.png)  
You want:  
 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/c/1/c1878885c3c094a877d85078453b2ef8e67c7e98.png)

And maybe also if you click the fx?:  
 ![image](https://us1.discourse-cdn.com/inductiveautomation/original/3X/e/3/e3f9c241485c4fd204bf1164a640fcc7fa7476e3.png)

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