How to invoke PLSQL function result using SPEL for Rendered Property.

Hi All
I have requirement in Iprocurement to show a warning message in Shopping cart page when user click on the Add to Cart Button and irrespective of the warning message it should allow the user to continue to the next screen. We have 5 different stores in ShoppingHomePG and all of them lead to same screen for user date entry when we click on the store. But my requirement is to show a warning message for only one store.
I created a TIP and showing a warning message on the screen. But this message is showing up for all the stores. I want to show only for one store.
I have a SQL query to identify the store Name and I can return true or false value using plsql function. I am thinking there may be an option to invoke the plsql function boolean value using SPEL. Kindly suggest me how to acheive this.
If my understanding is wrong about PL/SQL funciton with SPEL. Please point me in right direction to achive this requirement.
OA Framework version : 11.5.10.5RUP
Thank You!
Krishna

this is an error when i connect to application server by jdeveloper
Error getting OC4J Process for: opmn-home+oc4j-test130.pythis-vpmn.com-6202-default:
Too few bytes (7) received from OPMN response

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How to invoke PLSQL function result using SPEL for Rendered Property.

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