You are assigned the portal Content Admin role.
You have activated the Social Content Admin role.
You have already created the entities for which you want to define relationships.
The following procedure describes how to create a new relationship and map its source and target entities to the relevant columns in the data source files.
When editing the mapping of source and target entities to data source columns, the changes are applied only after performing a data load. For more information, see Loading Data to People Explorer.