Get the list of sections crm.productsection.list

catalogId=$(prompt "Enter the catalog ID")
        
        curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{
            "order": { "NAME": "ASC" },
            "filter": { "CATALOG_ID": '"$catalogId"' },
            "select": [ "ID", "NAME" ],
            "auth": "**put_access_token_here**"
        }' \
        https://**put_your_bitrix24_address**/rest/crm.productsection.list
        

// callListMethod: Retrieves all data at once. Use only for small selections (< 1000 items) due to high memory usage.
        
        var catalogId = prompt("Enter the catalog ID");
        try {
          const response = await $b24.callListMethod(
            'crm.productsection.list',
            {
              order: { "NAME": "ASC" },
              filter: { "CATALOG_ID": catalogId },
              select: [ "ID", "NAME" ]
            }
          );
          const items = response.getData() || [];
          for (const entity of items) { console.log('Entity:', entity); }
        } catch (error) {
          console.error('Request failed', error);
        }
        
        // fetchListMethod: Retrieves data in parts using an iterator. Use it for large data volumes to optimize memory usage.
        
        var catalogId = prompt("Enter the catalog ID");
        try {
          const generator = $b24.fetchListMethod('crm.productsection.list', {
            order: { "NAME": "ASC" },
            filter: { "CATALOG_ID": catalogId },
            select: [ "ID", "NAME" ]
          }, 'ID');
          for await (const page of generator) {
            for (const entity of page) { console.log('Entity:', entity); }
          }
        } catch (error) {
          console.error('Request failed', error);
        }
        
        // callMethod: Manually controls pagination through the start parameter. Use it for precise control of request batches. For large datasets, it is less efficient than fetchListMethod.
        
        var catalogId = prompt("Enter the catalog ID");
        try {
          const response = await $b24.callMethod('crm.productsection.list', {
            order: { "NAME": "ASC" },
            filter: { "CATALOG_ID": catalogId },
            select: [ "ID", "NAME" ]
          }, 0);
          const result = response.getData().result || [];
          for (const entity of result) { console.log('Entity:', entity); }
        } catch (error) {
          console.error('Request failed', error);
        }
        

$catalogId = readline("Enter the catalog ID");
        
        try {
            $response = $b24Service
                ->core
                ->call(
                    'crm.productsection.list',
                    [
                        'order'  => ['NAME' => 'ASC'],
                        'filter' => ['CATALOG_ID' => $catalogId],
                        'select' => ['ID', 'NAME'],
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
        
            if ($result->more()) {
                $result->next();
            }
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error: ' . $e->getMessage();
        }
        

var catalogId = prompt("Enter the catalog ID");
        BX24.callMethod(
            "crm.productsection.list",
            {
                order: { "NAME": "ASC" },
                filter: { "CATALOG_ID": catalogId },
                select: [ "ID", "NAME" ]
            },
            function(result)
            {
                if(result.error())
                    console.error(result.error());
                else
                {
                    console.dir(result.data());
                    if(result.more())
                        result.next();
                }
            }
        );
        

require_once('crest.php');
        
        $catalogId = readline("Enter the catalog ID: ");
        
        $result = CRest::call(
            'crm.productsection.list',
            [
                'order' => [ 'NAME' => 'ASC' ],
                'filter' => [ 'CATALOG_ID' => $catalogId ],
                'select' => [ 'ID', 'NAME' ]
            ]
        );
        
        if (isset($result['error'])) {
            echo "Error: " . $result['error_description'] . "\n";
        } else {
            echo '<PRE>';
            print_r($result['result']);
            echo '</PRE>';
        }