Screenshot: Installing MyInvois Extension

1. Open Manager and go to Settings → Extensions.
2. Select Create New Extension.
3. Enter the following settings:

   Extension Name	MyInvois-Extension
   Sources	Url
   Endpoint	https://myinvoisextension.azurewebsites.net
   Placement	customers, sales-invoice-view, or credit-note-view

4. Save. The extension button will appear in the corresponding Manager view.
5. Since multi-placement is not yet supported, repeat the steps to install three separate instances (customers, sales-invoice-iew, and credit-note-view).

Screenshot: Integration Wizard

The wizard helps ensure your connection to LHDNM is complete:

• Fill in all required integration fields (business info, credentials, environment).
• Verify credentials with the LHDNM system (credentials must match with selected environment).
• Document v1.0 → no certificate required.
• Document v1.1 → valid certificate from an LHDNM-recognized provider required.

Screenshot: Submitting Invoice / Credit Note

1. Create a Sales Invoice or Credit Note in Manager.
2. Open the document view and click the MyInvois Extension button.
3. The extension converts the document into an MyInvois-compliant e-Invoice.
4. Click Submit to send it to LHDNM.
5. Upon success, the Submitted status will be updated in Manager.
6. If there are errors, they will be displayed for correction.
7. Click Check Status, to get document status from LHDNM portal
8. When document status is Valid or Canceled QrCode will be generated and saved to Manager Invoice.

Screenshot: Taxpayer Lookup Options

You can verify taxpayer details using TaxPayer QR codes. Supported methods:

• Scan with camera
• Drag & drop a QR code image
• Open file from device
• Manually type the QR content

Retrieved taxpayer data can be saved as Customer Data in Manager, ensuring records are consistent with the official LHDNM database.