We need to define po approval rule based on summation attribute with two categories, how to do this.

Summary: We need to define po approval rule based on summation attribute with two categories, how to do this. Our requirement is - we have two browing categories at line level & when sum of these mixed two categories or single category at line goes beyond 25000 usd, it should follow certain approval, since we have po approval defined in BPM, we need to define it in BPM, please suggest how to achieve this requirement.

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