Sharepoint - Get custom properties like `Created` and `Description` in Display Templates of ContentBySearchWebPart
Things to check:
- Go to /_catalogs/masterpage and find your displaytemplate's js file. View its properties and make sure you see the mappings in question in Managed Property Mappings property.
- Go to Centra Admin -> Manage Service Applications -> Search Application and look at your schema - make sure that Description and Created are existing managed properties and tehy have corresponding crawled properties.