To create a custom parameter, click on ‘Custom Parameter’ in the ‘Screener’ section.

Step 1: Choose 'Create New Parameters', as illustrated below.

Step 2: Create a query by selecting the parameters and conditions you wish to include in your custom parameter.

Step 3: Optionally, you can provide additional details such as the Unit, Parameter Name, and Description.

For instance, to create a custom parameter for TL Checklist Positive Score, you might use the following query:

( ( TL Checklist Positive Score / ( TL Checklist Positive Score + TL Checklist Negative Score ) ) * 100)  

Click ‘Save’, and your custom parameter will be created.

All your custom parameters are listed under ‘My Parameters’, as shown below.