Aqua Data Studio 15.0.0-dev-327
 Database Version: MySQL 5.7

1.Open Query Analyzer and execute below script:

CREATE EVENT myevent
    ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL 1 HOUR
    DO
      UPDATE myschema.mytable SET mycol = mycol + 1;

Event is created successfully.

2. Follow below steps to reproduce bug:

Go to Schema Browser
Expand MySQL Server node
Expand Databases node
Expand desired Database
Select Events node
Right click on it

Actual Result: Create Event option is not provided.

But we Expand Event node ,under Event node the created "myevent" event is displayed successfully.

Reference Link