datahub/datahub-web-react/src/graphql/settings.graphql

fragment AssetSettingsFields on AssetSettings {
    assetSummary {
        templates {
            template {
                ...PageTemplate
            }
        }
    }
}

mutation updateAssetSettings($input: UpdateAssetSettingsInput!) {
    updateAssetSettings(input: $input) {
        ...AssetSettingsFields
    }
}