Module:TestModule

---

local p = {} --p stands for package

function p.hello( frame )
 return "Hello, world!"
end

function p.externalDataTest( frame )
 local output = ""
 local data, errors =
  mw.ext.externaldata.getWebData
  {
   url = 'https://discoursedb.org/wiki/Special:GetData/Fruits_data',
   data = {name = 'Name',  color = 'Color', shape = 'Shape'},
   format = 'CSV with header'
  }

 output = output .. "<ul>"
 for i, row in ipairs(data) do
  output = output .. " <li>" .. row.shape
 end
 output = output .. "</ul>"
 output = output .. frame.arg1

 return output
end

return p