--- alias: user-guide-evaluate-material-required-service description: "This service evaluates material requirements, confirming service context changes within a transaction" --- # Evaluate Material Required Service :lock: Material.**EvaluateDispatchableRule** ## Overview This operation is used to evaluate the required service for a **Material** in case the service context has changed. ## Setup No special setup is required other than to meet the preconditions of the transaction. ## Preconditions There are no preconditions. ## Sequence of Steps ### Step 1: Evaluate Service 1. Select a **Material** and click **Evaluate Service**. 2. Review the information and confirm the request by pressing **Evaluate**. ![evaluate_service][evaluate_service] [evaluate_service]: images/evaluate_service.png