Hi Guys,

I have this Trigger wherein it sums up what is in the product forecast and puts it into Project in the field ex. Sum of Product Forecasted, but unfortunately it doesn't appear, my problem is that how can i move from agreement going to project so I can populate the field

    public static void PFSumOEM (List<APTS_Product_Forecast__c> newProductForecast){
        
        Set<ID> pdIds = new Set<ID>();
        List<Project__c> OEMToUpdate = new List<Project__c>();
        Double pfSum;
        
        for(APTS_Product_Forecast__c pf: newProductForecast){
            pdIds.add(pf.APTS_Price_Agreement__c);
        }

         for(APTS_Product_Forecast__c pf : [SELECT APTS_Quantity__c , Panel__c FROM APTS_Product_Forecast__c WHERE isDeleted = false AND panel__c != null AND apts_price_agreement__r.id = null AND product_is_primary__c = TRUE and Panel__c =: pdIds]){
            System.debug('pf value = ' + pf);
            pfSum +=pf.APTS_Quantity__c;
        }
        
        for(Project__c prj: [Select Id from Project__c where ID =: pdIds]){
            prj.Tier1_Project_Forecast__c = pfSum;
            OEMToUpdate.add(prj);
        }
        
        //Update the Project
        if(!OEMToUpdate.isEmpty()){
            update OEMToUpdate;
        }
    }