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On this tab, the following fields are required: Cash Flow Item, Amount, Entity, and Bank Account. 
The "Bank Payment (create)" form. The Main tab
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<Auto> in the Number field indicates that a number to this document will be assigned automatically when you save the document.
The Date field is populated automatically with the current business date. You can select another date, if necessary.
In the Entity field, select an entity of your company for which this document is being prepared. The Entity field is available if the Multi-Company Accounting option is selected on the following form: Administration > Settings> General Settings. You can select your personal default entity to appear in documents that you create; for this, refer to Personal Settings. If you have not selected your default entity, the entity defined first will be used as the system default value.
The Basis field is auto-populated if this bank payment was created based on a document of one of the following types: Cheque Issued. If needed, you can manually select the basis document from the list of available documents (for this, click Show all from the drop-down list). Once the basis document is selected, the data is copied to this bank payment. If, after you edited the document, you want to cancel the edits, click the Fill in button – the details from the basis document will be copied to the payment.
The Bank Account field shows the default bank account of the selected entity, however, you can select another bank account of the entity if needed.
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In the Comment field you can specify some additional information about this document.
The toolbar buttons
After entering some data on the tab, click the Save button to save your work. After filling out all the tabs, click Post to post the document without closing it or Post and close to post and close the document.
To make reconciliation process easier, click the Settings button to specify for the payment how it will appear on the bank statement. The Document Settings dialog box appears. Select the appropriate option form the following options: Total Amount, Net Amount, Net amount and charge amount. Click OK to save the selection. 
For descriptions of other buttons, see Document Toolbar.