Example code for caldera_forms_email_csv_data filter in Caldera Forms See: https://calderaforms.com/doc/caldera_forms_email_csv_data/

caldera_forms_email_csv_data-change-label.php

.<?php
/**
 * Change the label of a specific field in Caldera Forms email CSV
 */
add_filter( 'caldera_forms_email_csv_data', function( $csv_data, $form ){
	//IMPORTANT change form ID to match your form
	if( 'cf123456' === $form[ 'ID' ] ){
		$labels = wp_list_pluck( $csv_data , 'label' );
		foreach ( $labels as $i => $label ){
			if( 'Price' === $label ){
				$label = 'Total Price';
				$csv_data[ $i ] = $label;
			}
		}

	}

	return $csv_data;
}, 10, 2 );

caldera_forms_email_csv_data-column.php

<?php
/**
 * Add an additional column to Caldera Forms email CSV
 */
add_filter( 'caldera_forms_email_csv_data', function( $csv_data, $form ){
	//IMPORTANT change form ID to match your form
	if( 'cf123456' === $form[ 'ID' ] ){
		$csv_data[] = array(
			'label' => 'Unique ID',
			'data' => uniqid( 'prefix' )
		);

	}

	return $csv_data;
}, 10, 2 );