WP Gravity Flow Bulk Creation for Import Plugin Processing

functions.php

<?php
//replace ## with your form ID - and also update field IDs with your appropriate numbers.
add_action( "gform_pre_submission_##", "employee_lookup_and_assignment", 10, 1 );
function employee_lookup_and_assignment( $form ) {

		$reviewer = get_user_by( 'email', rgpost( 'input_12' ));
		if( $reviewer ):
			$_POST['input_10'] = "user_id|" . $reviewer->ID;
		endif;

		$employee = get_user_by( 'email', rgpost( 'input_13' ) );
		if( $employee ):
			$_POST['input_11'] = $employee->ID;

			$userMetaExample = get_user_meta($employee->ID, 'user_meta_example', true);
			if( $userMetaExample ):
				$_POST['input_14'] = $userMetaExample;
			endif;

		endif;

	}