I can not use beta functions(Extensions)

[#1]

I wanna use this↓ extension, But I could not find it in my dashboard.

https://docs.apigee.com/api-platform/reference/extensions/google-stackdriver-logging-extension#confi...

Someone said that it is problem of your payment plan in this community site.

My plan is FREE TRIAL....

If it is true, which plan should I select to use that extension↓?

https://apigee.com/api-management/#/pricing

[alexkhimich]

Extensions are enabled only for Enterprise customers as part of Beta.