add_filter( 'wptabspro_field_typography_customwebfonts', 'wptabspro_field_typography_customwebfonts_modified' ); if( ! function_exists('wptabspro_field_typography_customwebfonts_modified')) { function wptabspro_field_typography_customwebfonts_modified() { // your custom fonts $custom_fonts = array( 'use your desired font name', 'Manrope', ); return $custom_fonts; } }