Here are the steps:

• Login to Mindbody
• Click Reports
• Run a Membership Report
• Select the Membership and Status and Generate
• Click the Add Tag button
  
• 
• Click Home
• Click Manager Tools
• Click Modify Tagged Clients
• 
• You will see the #Currently Tagged Clients will show whoever they flagged from report.
• Click Client Indexes
• 
• Select Our Index (HybridAF)
• Click Value = Yes
• Click Update Tagged Clients