How to trigger the GraphQL client to send a request when the drop-down refresh occurs?

the drop-down refresh used to trigger the ajax request to obtain data, but now it uses GraphQL to obtain the data, so how to trigger the GraphQL client to send the request when the drop-down refresh occurs? vue-apollo .

for GraphQL client
Jun.11,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1ea86f6-1ed4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ea86f6-1ed4.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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