Modules > Invoicing > Settings > Accounting

On the tabs below you can enter the settings for linking with the Asperion API:

API settings

First, enter the Asperion Client ID and Clinet secret. Without these setting you cannot add or edit the settings on other tabs.

Linking is only possible when using the Asperion online cloud administration. The Client ID and Client secret can be obtained by contacting TimeWriter.

Choose edit and "Test API login".

The Asperion login screen will be shown in a browser.

After logging in, Asperion will ask permission to connect to TimeWriter; choose "Yes, Allow".

After a successful login to Asperion and permission to connect, return to TimeWriter.

Then press continue.

Administration

Select the Asperion administration, the Asperion product, VAT code, debtor kind and payment condition to be used for invoicing from TimeWriter.

Update customers

On this tab TimeWriter customers can be updated with, linked to and imported from Asperion customer data.

Supplies

The option 'Supplies' of module 'Tasks' can be used.

Invoicing

In the module Invoicing | Invoice you can find the next buttons:

The buttons above the Orders grid have the following functions:

Button	Function
	Add a new order (not based on hour bookings).
	Edit the order.
	Delete the complete order(s) and all order lines of the selected order(s).
	For hours and task to invoice, orders will be generated first, see: Generate orders.
	Click to print a concept invoice to a pdf and see how the invoice will look like. Note: the final invoice should be created with Asperion.
	Print the specification report (as set at Invoicing \| Settings \| Invoicing) for the selected order.
	Merge orders form the same customer into one order.
	If the Order tab page is selected there is a Create invoice button. Click here to create the invoice(s) of the selected order(s). The orders will be sent to Asperion and converted to Asperion draft sales invoices. After this step the orders are moved to the tab page Invoices. Note: At first the Invoice column will contain the Asperion draft sales invoice id.

Below the orders grid are the Lines and Details for line tabs of the selected order.

The buttons on the Lines tab have the following functions:

Button	Function
	Add a new order line.
	Edit the order line.
	tab page Lines : Delete the selected order line(s). tab page Details for line: Only available with multiple detail lines. Delete the selected detail line from the order line. Duration and amount of the order line will be adjusted.
	Move the order line up/down.

Tab page invoices

All the invoices are visible on the tab page Invoices.

The buttons above the Invoices grid have the following functions:

Button	Function
	Delete the complete invoice. Note: deleted invoice numbers are not used again and the invoice will not be deleted in Asperion.
	Synchronize invoice numbers with Asperion. After invoicing to Asperion in Asperion draft sales invoices are created which will later become actual invoices.
	Print the invoice specification report (as set at Invoicing \| Settings \| Invoicing) for the selected invoice.