> Can I, form a component, use "Get Method Paths" to determine if a method 
> exists in the host?

yes, you pass the optional *

http://doc.4d.com/4Dv15/4D/15.4/METHOD-GET-PATHS.301-3273681.en.html

> Additionally, Am I right, I can call a host database method from a component 
> (as long as I know it exists)?

yes as long as the method is shared

http://doc.4d.com/4Dv15/4D/15.4/EXECUTE-METHOD.301-3274817.en.html



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