let age = [];
let model = apex.region(<staticId>).widget().interactiveGrid('getViews').grid.model;
let totalRecords = model.getTotalRecords(true);
for (let index = 0; index < totalRecords; index++) 
{
  let record = model.recordAt(index);
  if (record)
  {
      age[index] = model.getValue(record, "AGE");
  }
}

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