chartType: 'activityGrid'

{
  id: 'activity-1',
  title: 'Daily Contributions',
  query: JSON.stringify({
    measures: ['Activity.count'],
    timeDimensions: [{
      dimension: 'Activity.date',
      granularity: 'day',
      dateRange: 'last 12 months'
    }]
  }),
  chartType: 'activityGrid',
  chartConfig: {
    dateField: 'Activity.date',
    valueField: 'Activity.count'
  },
  displayConfig: {
    showLabels: true,
    fitToWidth: true
  },
  x: 0, y: 0, w: 12, h: 4
}

{
  id: 'dev-activity',
  title: 'Development Activity',
  query: JSON.stringify({
    measures: ['Commits.count'],
    timeDimensions: [{
      dimension: 'Commits.date',
      granularity: 'day',
      dateRange: 'last 365 days'
    }]
  }),
  chartType: 'activityGrid',
  chartConfig: {
    dateField: 'Commits.date',
    valueField: 'Commits.count'
  },
  displayConfig: {
    showLabels: true
  },
  x: 0, y: 0, w: 12, h: 3
}

{
  id: 'sales-activity',
  title: 'Daily Sales Activity',
  query: JSON.stringify({
    measures: ['Orders.count'],
    timeDimensions: [{
      dimension: 'Orders.createdAt',
      granularity: 'day',
      dateRange: 'last 180 days'
    }]
  }),
  chartType: 'activityGrid',
  chartConfig: {
    dateField: 'Orders.createdAt',
    valueField: 'Orders.count'
  },
  x: 0, y: 4, w: 12, h: 3
}