How to update symbol list or StockInfo struct from in-side a data plugin

Each time there are something changed like there are new symbols or EPS changed... I have to go to Database settings and press a button to get new data from source.
How can I do it automatically from in-side a data plugin?

You can do so, but only in Configure call. QP2 sample shows how.

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It means that users have to press Database settings and then Config button!. Is there any way to do it in Init.
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Init is ONLY for lightweight initialization of the plugin itself and must be completed under 10ms. It is definitely NOT for messing up with database.

And yes you have to click Config button. The database configuration/modification is meant to be controlled BY THE USER, not plugin.

thank you very much............