The Trainers Settings section in the FitnessLife theme Customizer contains 4 options. Navigate to Appearance → Customize → Theme Options → Trainers Settings to access these settings.

Options

• Trainers Custom Post Type (On/Off) — Enable or disable the Trainers post type.
• URL Rewrite Slug (Text) — Custom URL slug for trainers.
• URL Rewrite Name (Text) — Name shown in breadcrumbs for trainers.
• Category URL Rewrite (Text) — Custom URL slug for trainer categories.

After making changes, click Publish at the top of the Customizer to save your settings.