To create invoice select "Invoices" section and click "Create invoice"
Please note: you can send Invoice to the user of the trading floor knowing only his email address (not wallet, not wallet address).
Type the recipient's address, select the currency and specify the amount:
You may add a message to your Invoice.
As soon as the user receives your invoice, he will receive a notification, and your Invoice will be displayed in the status of "pending" ( you will see "clock" icon ).
If the user rejects the invoice or accepts it, the status will also be shown as in picture below: