You need to generate the API token to access the nativeMsg functionality.
To generate the API token
- In the left navigation pane, click Settings.
- In the API Token section, click the Create New button.
- In the confirmation dialog box, click Create.
The API token is generated and displayed.
- Click the Copy icon at the token field to copy the generated API token.
Note: You must copy the generated token and save it on your system. When you generate a new token, the old token immediately becomes invalid.