To use the Alexa voice notifications you need to get the MFA Key as part of the setup process. This following guide will step you though the process of getting this MFA Key.
This guide is based on the Australian Amazon website, your country site may look a little different.
1. Using a web-browser log into your Amazon account. - https://www.amazon.com.au
2. Go to the Your Account page.
3. Select the Login & Security button
4. Click the Edit button to the right of the 2SV section.
5. Click the Add a new app link
6. Complete the 2 Step verification process to proceed to the next step. Note that your options here may be different depending on what verification methods you may have already configured, in this case its a simple SMS
7. Here is where you will find the MFA key, just click the Can't scan the barcode link to reveal the key, and the copy the entire key.
8. Now to complete the activation, go back to the automationbridge, and enter the MFA and then click the 'Generate OTP' button, this will then return back the OTP to be entered into the Amazon page, to complete the linking process.
You can now go back to the M1 automationbridge web user interface, and complete the setup process for the Voice Notifications.