1. Modify the data set you want to map the data from
2. You will see al fields from the document of the dataset. Drag  & drop the fields corresponding to the position ID OR the Employee ID (top row on the right part
3. For the other data you click on "map all", this will push all other fields to  the bottom part

• In order to link your secondary data set to the positions or the employee you must map at least the Employee ID OR Position ID.
• Once done, save and your data set should look like this (screenshot on the left): the Light pink logo shows that you are linked with Employee ID/Position ID