How can I change the value in the function node with a numeric node

General
1

i want to change the value with a numeric that is in the fuction node see here. if (msg.max> 23) {example from 0 to 30 with my numeric on my dashboard example number 23, otherwise I have to enter manually to another number

2

it’s better if your title explains the problem you are having, as it makes it more useful if others are searching for the same problem