wikijs/client/graph/admin/site/site-mutation-save-config.gql

mutation (
  $host: String!
  $title: String!
  $description: String!
  $robots: [String]!
  $ga: String!
  $company: String!
  $hasLogo: Boolean!
  $logoIsSquare: Boolean!
  $featurePageRatings: Boolean!
  $featurePageComments: Boolean!
  $featurePersonalWikis: Boolean!
) {
  site {
    updateConfig(
      host: $host,
      title: $title,
      description: $description,
      robots: $robots,
      ga: $ga,
      company: $company,
      hasLogo: $hasLogo,
      logoIsSquare: $logoIsSquare,
      featurePageRatings: $featurePageRatings,
      featurePageComments: $featurePageComments,
      featurePersonalWikis: $featurePersonalWikis
    ) {
      responseResult {
        succeeded
        errorCode
        slug
        message
      }
    }
  }
}