= load(
  local!selectedCode: "0_0",
   local!page: a!pagingInfo(
              startIndex: 1,
              batchSize: 5
            ),
  a!dashboardLayoutColumns(
    columns: {
      a!columnLayout(
        Contents: {
          with(
            local!data: queryrecord(
              recordType: ri!recordName,
              query: 'type!{http://www.appian.com/ae/types/2009}Query'(
                'selection|aggregation': 'type!{http://www.appian.com/ae/types/2009}Aggregation'(
                  columns: {
                    'type!{http://www.appian.com/ae/types/2009}AggregationColumn'(
                      field: "BusinessCode",
                      alias: "label",
                      visible: true,
                      isGrouping: true
                    ),
                    'type!{http://www.appian.com/ae/types/2009}AggregationColumn'(
                      field: "ClaimID",
                      alias: "data",
                      visible: true,
                      aggregationFunction: "COUNT"
                    )
                  }
                ),
                pagingInfo: a!pagingInfo(
                  startIndex: 1,
                  batchSize: - 1,
                  sort: a!sortInfo(
                    field: "label",
                    ascending: true
                  )
                )
              )
            ).data,
            a!pieChartField(
              label: " Business Code :  Number of Letters ",
              instructions: local!selectedCode & local!page,
              series: apply(
                rule!ACP_GetPieChartSeries2(
                  label: _,
                  data: _,
                  saveInto: local!selectedCode, 
				  test:local!page
                ),
                merge(
                  local!data.label,
                  local!data.data
                )
				
              ),
              showDataLabels: true,
              showTooltips: true
            )
          )            
        }
      )
    }
  )
)

--------------------------------------------------------------------------------------------

Definition of ACP_GetPieChartSeries2 

=a!chartSeries(
  label: ri!label,
  data: ri!data,
  links: a!dynamicLink(value: ri!label, saveInto:{ri!saveInto,ri!test.startIndex<< rule!CP_returnFirstInputAsIs(1,_)})
)