You can specify an URL or select an attachment. Swagger for Confluence supports .yaml and .json file extensions.
Setting the number of maximum tags displayed
Defining how the specification will be expanded when rendered on the page by choosing: nothing, tags only, tags and operators
You may also select how operations should be ordered : default, by paths alphanumerically or by HTTP method
Select HTTP methods you want to enable for Try it out function: GET, PUT, POST, DELETE, OPTIONS, HEAD, PATCH, TRACE. You can also select ALL to enable all methods.
You may also select how models will be rendered : default, example, model.
Display options allow you to show hidden by default parts of the specification:
Id of the operation
Duration of the Try it out request
Vendor extensions
Common extensions