Among the custom columns that you can add to your media plan, there is a special type of column called "Saved audience". This type of column will give you the possibility to link your MakeMeReach saved audiences to the media plan so that you can have all the relevant information at the same place.
To add a this column, create or edit a custom column template and add a column with type "Saved audience" as shown below.
Once your column is created and applied to your media plan, you can click on the field of the new column and select the custom audience that will go with a specific campaign.
The list of audiences available will depend on what you have previously saved in your MakeMeReach audience library for the ad account that you have selected to create the campaigns.
The "Saved audience" column is available for all the networks for which you can create campaigns in MakeMeReach.