[Vtigercrm-developers] how to get the sum value of param1 and param2 which are also produced by its4you PDFMaker.

[忍....]

hello, we need to get the sum value of param1 and param2 which are also produced by its4you PDFMaker.

params1=[CUSTOMFUNCTION|showCFNumberValue|param1|CUSTOMFUNCTION]  //  params1 value  is  produced by PDFMaker 
param2=[CUSTOMFUNCTION|showCFNumberValue|param2|CUSTOMFUNCTION]    //  params2 value  is  also produced by PDFMaker 

[CUSTOMFUNCTION|its4you_sum|param1|param2|CUSTOMFUNCTION] 

we need to show the sum value of param1 and param2 in the  pdf,  but we  can not get the value by the above  solution ,  please help. 

how should we do to get  the sum value of param1 and param2 ? 

Best Regards!
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