https://us.posthog.com/project/$MY_PROJECT_ID/settings/project-details. Replace $MY_PROJECT_ID with your PostHog project.
Now upload your API key to the Lytix platform here
And you are done! Lytix events will now be published to PostHog!
Note: Please ensure you set a user identifier when publishing model IO events to Lytix in order to publish this to posthog