Sendgrid integration

Hi, i have created a sendgrid account, then i have enabled the sendgrid action on looker, when i try to send data to a email via sendgrid nothing happens
 

12c07d24-b27c-49f6-9030-6905e2a8c5b7.png

I click “Send” but then i have no error and still no messages in my email

0 0 190