use psuedo-field in json.facet api

[radha krishnan]

Hi,

can we use a psuedo-field in json.facet api ? is there any example like the
one below ?

json.facet={
    my_histogram: {
        type: terms,
        field: new_field:my_function(my_solr_field, "return_as_integer")
    }
}



Thanks,
Radhakrishnan D