No Dear, You misunderstood me.
The Custom Field i added is not a simple text Field. It is POST OBJECT TYPE FIELD.
https://prnt.sc/ijh5si
Click to see image
In This, We can add more than 1 Value to the POST.
I want to get data by this. I dont want to get only This. I want to GET data by searching this Field.
Any By The way, Your Code didn’t work