Open a sketch from the explorer menu
![](https://i0.wp.com/www.linq.it/wp-content/uploads/Screen-Shot-2022-11-08-at-9.10.00-AM.png?resize=1140%2C536&ssl=1)
Ensure you are in edit mode in the sketch
![](https://i0.wp.com/www.linq.it/wp-content/uploads/Screen-Shot-2022-11-08-at-9.07.00-AM.png?resize=1022%2C196&ssl=1)
Open the custom properties panel using the cog above the properties panel
![](https://i0.wp.com/www.linq.it/wp-content/uploads/Screen-Shot-2022-11-08-at-9.12.04-AM.png?resize=584%2C736&ssl=1)
Add the property name, what type of property (text, number, pick list, yes/no, URL) and which node type this applies to information, action, system, people or LINQset
![](https://i0.wp.com/www.linq.it/wp-content/uploads/Screen-Shot-2022-11-08-at-9.18.04-AM.png?resize=1140%2C896&ssl=1)
There is space for notes under the custom property.