Get a List of Custom Fields by Filter crm.invoice.userfield.list

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"order":{"SORT":"ASC"},"filter":{"MANDATORY":"N"},"auth":"**put_access_token_here**"}' \
        https://**put_your_bitrix24_address**/rest/crm.invoice.userfield.list
        

// callListMethod: Retrieves all data at once. Use only for small datasets (< 1000 items) due to high memory load.
        
        try {
          const response = await $b24.callListMethod(
            'crm.invoice.userfield.list',
            {
              order: {"SORT": "ASC"},
              filter: {"MANDATORY": "N"}
            },
            (progress) => { console.log('Progress:', progress) }
          )
          const items = response.getData() || []
          for (const entity of items) { console.log('Entity:', entity) }
        } catch (error) {
          console.error('Request failed', error)
        }
        
        // fetchListMethod: Retrieves data in chunks using an iterator. Use for large datasets for efficient memory consumption.
        
        try {
          const generator = $b24.fetchListMethod('crm.invoice.userfield.list', { order: {"SORT": "ASC"}, filter: {"MANDATORY": "N"} }, 'ID')
          for await (const page of generator) {
            for (const entity of page) { console.log('Entity:', entity) }
          }
        } catch (error) {
          console.error('Request failed', error)
        }
        
        // callMethod: Manual control of pagination through the start parameter. Use for precise control over request batches. Less efficient for large data than fetchListMethod.
        
        try {
          const response = await $b24.callMethod('crm.invoice.userfield.list', { order: {"SORT": "ASC"}, filter: {"MANDATORY": "N"} }, 0)
          const result = response.getData().result || []
          for (const entity of result) { console.log('Entity:', entity) }
        } catch (error) {
          console.error('Request failed', error)
        }
        

try {
            $response = $b24Service
                ->core
                ->call(
                    'crm.invoice.userfield.list',
                    [
                        'order' => ['SORT' => 'ASC'],
                        'filter' => ['MANDATORY' => 'N'],
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
            
            if ($response->getResponseData()->getMore()) {
                $response->next();
            }
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error fetching invoice user fields: ' . $e->getMessage();
        }
        

BX24.callMethod(
            "crm.invoice.userfield.list",
            {
                order: {"SORT": "ASC"},
                filter: {"MANDATORY": "N"}
            },
            function (result)
            {
                if (result.error())
                    console.error(result.error());
                else
                {
                    console.dir(result.data());
                    if (result.more())
                        result.next();
                }
            }
        );
        

require_once('crest.php');
        
        $result = CRest::call(
            'crm.invoice.userfield.list',
            [
                'order' => ['SORT' => 'ASC'],
                'filter' => ['MANDATORY' => 'N']
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';