Get category tree by category tree code

query {
  categoryTree(code: "<code_of_the_category_tree>") {
    code
    categoryTreeLeafList {
      pageInfo {
        hasNextPage
        endCursor
      }
      edges {
        node {
          category {
            code
          }
          parentCategory {
            code
          }
        }
      }
    }
  }
}