To Exit Visual Design Mode
Requires November 2017 Release
When you click Edit RAML, you leave visual design mode and cannot return. You can subsequently modify your API Specification in code view only. If you do not click Edit RAML, you can continue working on your API specification in visual design mode at any time.
Click Edit RAML.
Agree to leaving visual design mode.
The API specification you created appears in code view.
Resume your work in code view.