Glide AJAX is not working ( from a catalog client script)

[Gal1]

Hi Experts,

My goal is to be able to call a server script with glideAjax from a catalog client script, which related to a record producer. right now I'm getting null as an answer (from the glideAjax) and also my logs on the script include are not executed. 

Please help, what am I missing?

record producer:

catalog client script : 

script include:

[Harsh Vardhan]

replace new_value to newValue

[Kieran Anson]

Oops! Good spot, edited my response to reflect the correct variable "newValue"