Search fieldsummary values for search keyword

[msrama5]

Hello, I have query below and want to search by filterstring from fieldsummary values and return all values which matches filterstring from the results of query below -
index =test environment=ps sourcetype=asp_test requestbody=* requestbody="request-body" | fields requestbody | xmlkv | fieldsummary maxvals=10

[to4kawa]

| search your_search_field="*searchvalue*"

Please remove the asterisk appropriately.