1. Create or edit a dashboard.
2. Add a new Lightning table by clicking + Component and choosing , or edit an existing one by clicking the pencil icon () on the table.
3. From Add group..., select a field to group by.You can group the table by any field from the source report type, so you can group by a field even if it isn’t part of the report.
4. To add a measure column, choose a field from Add measure column....Add up to 10 measure columns. Remember, you can only measure numeric fields, so date, text, picklist, and Boolean fields aren’t available.Note The default measure column is recordcount. You can’t remove record count, but after adding another measure column, you can hide itby clicking the eye icon ().
5. After adding a measure column, click it and choose up to four measures:Sum, Average, Max, orMin.