To perform the operation, first, click on the operation button on the home page. Next, enter the operation page. Here there is a box for each operation. By clicking on the Create operation button, create a new operation. By clicking on the Delete button inside each box, delete that operation. Moreover, change the typing of that operation by clicking on the select input at the top of each box. When you have fully entered the information of the operations you want to send, click on the Send button. Then check the information once again on the Confirm page to make sure that it is correct. Eventually, click on the Confirm button.