add_settings_section( 'devsoul_psbsp_email_settings_fields', '', // Title to be displayed on the administration page. '', // Callback used to render the description of the section. 'devsoul_psbsp_email_settings_sections' );

// Email CSV Sale by Product add_settings_field( 'devsoul_psbsp_email_csv_sales_by_product_enable', esc_html__('Enable Email CSV Sale by Product', 'sales-report-by-state-city-and-country'), function () { $enable = get_option('devsoul_psbsp_email_csv_sales_by_product_enable'); ?> <input type="checkbox" name="devsoul_psbsp_email_csv_sales_by_product_enable" value="yes" >

<?php }, 'devsoul_psbsp_email_settings_sections', 'devsoul_psbsp_email_settings_fields' );

// Register settings for "Email CSV Sale by Product" register_setting( 'devsoul_psbsp_email_settings_fields', 'devsoul_psbsp_email_csv_sales_by_product_enable', array( 'type' => 'string', 'sanitize_callback' => 'sanitize_textarea_field', ) );