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PeterP Trigger to update list of records
Hi,
I struggle with a trigger that needs to create new records in an object called POSITION. The records should be created when a record in another object called TRANSACTION are updated or inserted. Then in POSITION I want the field INSTRUMENT to automatically create a record for all instruments that are in the object TRANSACTION (but no duplicates).
Can anyone help me with as exemplary code for a trigger? Mine is definitely wrong ;-(
trigger UpdatePosition on TRANSACTION__c (after insert, before update, after update) {
Map<ID, TRANSACTION__c> updateMap = new Map<ID, TRANSACTION__C>();
List<POSITION__c> itemList;
set<Id> AllItems = new set<id>();
for(POSITION__c i :itemList){
AllItems.add(i.TRANSACTION__c);
List<TRANSACTION__C> AllTransactions = [SELECT id, INSTRUMENT__c
FROM TRANSACTION__C where id in :AllItems];
what u want??
Just tell me clearly.After that only i solve ur problem.
Whenever a new record is created in my object "transaction" for a specific product, i want the system to automatically update my products in stock in my object "positions". If the transaction refers to a product that has never been in stock before, I want the system to create a new record in my object "positions" with an initial stock equal to the transaction amount.
In short, a change in one object record shall trigger create new record/update existing record in a different object.
I hope this makes it clearer. Thanks for your help.