[TYPO3] Control user access to extensions?

[Mike]

Kay Strobach wrote:
> Mike schrieb:
>> I made an extension that adds a new menuitem to the right-click menu of 
>> the Page tree in the admin.
>>
>> How do I control which users can see the new menuitem and which can't?
>>
>>
> Hi,
> 
> have a look at
> http://typo3.org/documentation/document-library/core-documentation/doc_core_api/4.1.0/view/3/6/
> 
> there is a nearly complete description of the access functions which are 
> often used ;)
> 
> Regards Kay

Thanks, although with this I was only able to throw an error when a 
non-admin tries to use the context menu. I'd rather be able to hide it 
altogether from non-admins.