I don't know that notation. Where can I find the list of system variables? How can I get the value of a widget and put it into a system variabl (or a variable usable in PHP) like USERID ?
I cannot use a fixed value. I've posted a test, with a fixed value to simplify the understanding of the bug. What I really need is a parameter based on value selection, but due to the complexity of the query I must use it as a parameter of a function in the select, something like
I've followed suggestions in https://phprad.com/forum/index.php?topic=175.0 by WIllVin But I still get error 500. (due to an error in the forum "The upload directory is full. Please contact an administrator about this problem." I cannot post an image)
I've create a simple customView using PHPRad QueryBuilder
to the first line in the Edit Query Params box Then
Added the custom view to a menu,
Saved project and
published
navigating to the custom view I get ERROR 500
Navigating to the project APP / CONTROLLER directory using Poect Explorer and opening the controller of the created custom viewI can find these two lines