     collection.parameters = parameterHelper.matchParams(req.body.inputs, req.body.highlighter.segments,serviceInfo.parameters,folder,folder, "", req)
     if(ResultHelper.checkCollectionResultAvailable(collection))
       collection.result = ResultHelper.loadResult(collection)
+      callback null, collection
     else
       #if results not available, load images and create processes
       images = ImageHelper.loadCollection(collection.name)


# Expose executableHelper
executableHelper = exports = module.exports = class ExecutableHelper extends EventEmitter

  # ---
  # **constructor**</br>

        process.rootFolder = collection.name
        process.image = image
        collection.processes.push(process)
      callback null, collection

  preprocessIiif = (collection, req, callback) ->
    url = req.body.images[0].value
