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// Add field to admin
add_filter( 'resume_manager_resume_fields', 'wpjms_admin_resume_form_fields' );
function wpjms_admin_resume_form_fields( $fields ) {
	
	$fields['_candidate_color'] = array(
	    'label' 		=> __( 'Favourite Color', 'job_manager' ),
	    'type' 			=> 'text',
	    'placeholder' 	=> __( 'Blue', 'job_manager' ),
	    'description'	=> '',
	    'priority' => 1
	);

	return $fields;
	
}

// Add field to frontend
add_filter( 'submit_resume_form_fields', 'wpjms_frontend_resume_form_fields' );
function wpjms_frontend_resume_form_fields( $fields ) {
	
	$fields['resume_fields']['candidate_color'] = array(
	    'label' => __( 'Favourite Color', 'job_manager' ),
	    'type' => 'text',
	    'required' => true,
	    'placeholder' => '',
	    'priority' => 1
	);

	return $fields;
	
}

// Add a line to the notifcation email with custom field
add_filter( 'apply_with_resume_email_message', 'wpjms_color_field_email_message', 10, 2 );
function wpjms_color_field_email_message( $message, $resume_id ) {
  $message[] = "\n" . "Favourite Color: " . get_post_meta( $resume_id, '_candidate_color', true );  
  return $message;
}