How to update a collection strategy in bulk ?

Summary:

How to update a collection strategy in bulk ?

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Originally we had a Profile Class called 'SE - Small 1 Customers' assigned. We changed profiles on some customers to SE - Small 2 Customers. We need to update existing strategies which are in the Open State from SE - Small 1 Customers to SE - Small 2 Customers. How to do it automatically? We use only Automatic task.