Custom Data for Sketch
Instantly populate multiple elements in Sketch
With the Data tool, you can add relevant context to your designs and create realistic mockups and prototypes. After downloading the .txt data file, go to Preferences and select the Data tab. There, click “Add Data” and select the downloaded .txt file. Now, this data set will be available in Sketch and you can populate multiple text elements simultaneously.
Pro Tip: Make sure to save your Data .txt sources in a place that won’t change. If you move the location of your sources after you’ve added them, Sketch might not be able to find them and you will have to relink them.
Documentation: Working with Data
Article: Designing with Meaningful Data