How to call oracle funtion/procedure from OA controller

HI,
i need to call oracle funtion to my controller. How can i invoke funtion from OAF. Thing is i need to set the value in messageStyleText ,which will be coming from funtion. How can do that???? I am strugglin a alot on this .
Could you please help me anybody who have any idea.

You can create a view object with a simple select statement fetching the value from the function. Attach with VO to the AM programatically. Bind this VO Name and Attribute to the messageStyleText.
HTH

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How to call oracle funtion/procedure from OA controller

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