Code examples for caldera_forms_easy_pods_autopopulate_label_field filter. See: https://calderaforms.com/doc/caldera_forms_easy_pods_autopopulate_label_field/

caldera_forms_easy_pods_autopopulate_label_field-1.php

<?php
/**
 * Change which Pods field is used for the label of a Caldera Forms field autopopulated with the results of an Easy Pods query if Pod is a user Pod.
 */
add_filter( 'caldera_forms_easy_pods_autopopulate_label_field', function( $label_field, $form, $pod, $easy_pod ){
	if( function_exists( 'cep_pod_type' ) &&  'user' == cep_pod_type( $pod ) ){
		$label_field = 'display_name';
	}
	return $label_field;
}, 10, 4 );

caldera_forms_easy_pods_autopopulate_label_field-2.php

<?php
/**
 * Change which Pods field is used for the label of a Caldera Forms field autopopulated with the results of an Easy Pods for a specific Easy Pod.
 */
add_filter( 'caldera_forms_easy_pods_autopopulate_label_field', function( $label_field, $form, $pod, $easy_pod ){
	if( 'fancy-search' == $easy_pod['slug'] ){
		$label_field = 'slug_of_pods_field';
	}
	return $label_field;
}, 10, 4 );