Delete dynamic list

MIT App Inventor Help
1

after i click the button the dynamic list should delete but my function is missing somewhere help need guidance

Aia file
Bill.aia (38.7 KB)

Screenshot_20240118-172338
Screenshot_20240118-172338800×1340 38.1 KB

blocks (5) (16)
blocks (5) (16)1154×260 30.6 KB