Create measure from dimension_group

[PaulM1]

Is it possible to create a measure based off a dimension_group (e.g. duration)?

e.g.

dimension_group: MyDuration {
  type: duration
  sql: ${TABLE}.”${DURATION_COLUMN}” ;;
  ...
}

measure: m_MyDuration {
  type: sum
  sql: ${MyDuration} ;;
  ...
}