Examples of how to customize the field value shown in Caldera Forms summary magic tag. See: https://calderaforms.com/doc/caldera_forms_magic_summary_field_value/

caldera_forms_magic_summary_field_value.php

<?php
/**
 * Add extra HTML to Caldera Forms summary magic tag field value
 */
add_filter( 'caldera_forms_magic_summary_field_value', function( $field_value, $field, $form  ){
	//change your field ID here
	if( 'fld123456' === $field[ 'ID'] ){
		$field_value = '<em>' . $field_value . '</em>';
	}

	return $field_value;

}, 10, 3 );


/**
 * Change Caldera Forms summary magic tag value
 */
add_filter( 'caldera_forms_magic_summary_field_value', function( $field_value, $field, $form  ){
	//change your field ID here
	if( 'fld123456' === $field[ 'ID'] && 'paste' === $field_value ){
		$field_value = 'Apex Paste';
	}

	return $field_value;

}, 10, 3 );