Slack slash command are not functionally

when I type /asana it shows:
To use this command you need to add the Asana (Legacy) Integration.

please help…

Welcome to the Forum @Shawn_Hsiao and apologies for the delay in responding.

I’ve liaised with our Support Team who confirmed they were in touch with you regarding this issue. You should be able use Slack - Asana after installing the Asana (Legacy) Integration.

I hope you have solved it. Have a great day!