Please follow these steps to add tagged influencers to an existing campaign:
1. First, choose all tags or influencers from your sidebar you would like to add to an existing campaign.
2. You can add specific influencers to an existing campaign by clicking on the green plus or all selected influencers by using the "Add influencers to campaign" button.
3. Now you just have to choose the campaign you would like to add the influencers to and click "Add to campaign" to save them to your campaign.
4. If you would like to create a new campaign out of your influencer selection, just use the "Create new campaign" button to start with.