Simple Google Script service that responds to get requests and outputs the data from a Google Sheet

JSONOutput.gs

function doGet() {
  var spreadsheet = SpreadsheetApp.openByUrl('https://docs.google.com/spreadsheets/d/1hN_tx5IVVGJHbEhdKWgBowHwgeVTEQbl9h046ZJNyiE/edit#gid=0');
  var sheet = spreadsheet.getSheets()[0];
  var values = sheet.getSheetValues(1,1, sheet.getLastRow(), 9);
  
  var finalOutput = {
    fixtures: []
  };
  
  for (var y = 0; y < values.length; y++) {
    var fixture = values[y];
    var dmxChannel = fixture[0];
    var object = fixture[1];
    var location = fixture[7];
    
    var fixture = {
      name: object,
      channel: dmxChannel,
      location: location 
    }
    
    finalOutput.fixtures.push(fixture);
    
    var stringOutput = "DMX: " + dmxChannel + " Object: " + object + " Location: " + location + "\n";
    
    Logger.log(stringOutput + "\n");
  }
  
  return ContentService.createTextOutput(JSON.stringify(finalOutput))
    .setMimeType(ContentService.MimeType.JSON);
}