So you have created a signature lets look at how to now use it within your campaign
From the Campaign page of your Buzz Workspace, choose to either '+Create a New Campaign' or edit an existing campaign
Click 'Add Step' or click the step you'd like to edit
โClick 'Send Email' from your choices
โBelow the email content box, click the signature you want to use.
Click 'Save Step' and then 'Save Changes.'
The selected Signature will be automatically set as the default in the Signature settings.