Stack Exchange network consists of 176 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
SharePoint Stack Exchange is a question and answer site for SharePoint enthusiasts. It only takes a minute to sign up.
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
How would one go about creating an external content type using powershell?
Is it at all possible?
Your best option is to Create ECT using SharePoint Designer (It is much easier).
Then export model file and use PowerShell to import it into other environments.
Required, but never shown