Add: Group Object to WP-Grapql shema

ObjectMeta.php

use GraphQL\Type\Definition\ObjectType;
use GraphQL\Type\Definition\Type;


  add_action('graphql_page_fields', function($fields) {

    $impactType = new ObjectType([
          'name' => 'Impact',
          'description' => __( 'The description of your process type', 'your-textdomain' ),
          'fields' => [
               'fp_metabox_impact__icon' => [
                                'type' => WPGraphQL\Types::string(),
                          ],
                          'fp_metabox_impact__number' => [
                                'type' => WPGraphQL\Types::string(),
                          ],
                          'fp_metabox_impact__name' => [
                                'type' => WPGraphQL\Types::string(),
                          ]
          ]
          ]);

          $fields[ 'impactFp' ] = [
          'type' => Type::listOf($impactType),
          'description' => __( 'Your processes repeater field in GraphQL', 'your-textdomain' ),
          'resolve' => function( \WP_Post $post ) {
              $fp_metabox_impact_group = get_post_meta( $post->ID, 'fp_metabox_impact_group', true );
              return ! empty( $fp_metabox_impact_group ) ? $fp_metabox_impact_group : null;
          },
     ];
  return $fields;

},99 );