## Documentation Index

Access the complete documentation index at:
https://www.zoho.com/books/kb/llms.txt

Use this file to discover all available documentation pages before proceeding.

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# Is it possible to automatically mark the invoices as sent once they are approved by the users?

Yes, this is possible using **Custom functions**. Write to us at [support@zohobooks.com](mailto:support@zohobooks.com) for further assistance in setting up the function.

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