You are creating a dashboard in Looker for a gcp video
data-practitioner video for you are creating a dashboard in Looker for a retail business to track monthly sales performance across different regions. The
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          Full Certification Question
You are creating a dashboard in Looker for a retail business to track monthly sales performance across different regions. The business requires that each region’s sales are displayed with the ability to filter by specific time periods and product categories. Which LookML parameter should you modify to ensure that the data model includes a filterable field for the ‘product_category’?