We can show all items in PLP page based on the similar Field id and field value that are in common in item records without creating a custom category by using this solution.
Solution
We can use URL parameters for sorting the items with specific values for the respective field id and show in the PLP page.
URL parameter format: domainName/search?fieldId=value
example: https://www.scatrainingbaglr1.ml/search?custitem60=true

