Check the Ability to Move Task task.stages.canmovetask

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Authorization: YOUR_ACCESS_TOKEN" \
        -d '{
        "entityId": 1,
        "entityType": "U"
        }' \
        https://your-domain.com/rest/task.stages.canmovetask
        

// This snippet is an ES module: top-level await requires type="module" or a bundler.
        // $b24 is an already-initialized SDK instance (see the SDK "Get started" guide).
        import { Text } from '@bitrix24/b24jssdk'
        import type { B24Frame } from '@bitrix24/b24jssdk'
        
        declare const $b24: B24Frame
        
        try {
          const response = await $b24.actions.v2.call.make<boolean>({
            method: 'task.stages.canmovetask',
            params: {
              entityId: 1,
              entityType: 'U',
            },
            requestId: Text.getUuidRfc4122()
          })
        
          // The payload is available only on a successful response
          if (!response.isSuccess) {
            console.error(response.getErrorMessages().join('; '))
          } else {
            const result = response.getData()!.result
            console.info('Can move task:', result)
          }
        } catch (error) {
          // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
          console.error(error)
        }
        

<!-- Load the SDK (UMD build); it is exposed as the global B24Js -->
        <script src="https://unpkg.com/@bitrix24/b24jssdk@1/dist/umd/index.min.js"></script>
        <script>
          async function checkCanMoveTask() {
            try {
              // Initialize the SDK inside a Bitrix24 frame
              const $b24 = await B24Js.initializeB24Frame()
        
              const response = await $b24.actions.v2.call.make({
                method: 'task.stages.canmovetask',
                params: {
                  entityId: 1,
                  entityType: 'U',
                },
                requestId: B24Js.Text.getUuidRfc4122()
              })
        
              // The payload is available only on a successful response
              if (!response.isSuccess) {
                console.error(response.getErrorMessages().join('; '))
                return
              }
        
              const result = response.getData().result
              console.info('Can move task:', result)
            } catch (error) {
              // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
              console.error(error)
            }
          }
        
          document.addEventListener('DOMContentLoaded', checkCanMoveTask)
        </script>
        

try {
            $entityId = 1;
            $entityType = 'U';
        
            $response = $b24Service
                ->core
                ->call(
                    'task.stages.canmovetask',
                    [
                        'entityId' => $entityId,
                        'entityType' => $entityType
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error calling task.stages.canmovetask: ' . $e->getMessage();
        }
        

const entityId = 1;
        const entityType = 'U';
        BX24.callMethod(
            'task.stages.canmovetask',
            {
                entityId: entityId,
                entityType: entityType
            },
            function(res)
            {
                console.log(res);
            }
        );
        

require_once('crest.php'); // connecting CRest PHP SDK
        
        $entityId = 1;
        $entityType = 'U';
        
        // executing the request to the REST API
        $result = CRest::call(
            'task.stages.canmovetask',
            [
                'entityId' => $entityId,
                'entityType' => $entityType
            ]
        );
        
        // Processing the response from Bitrix24
        if ($result['error']) {
            echo 'Error: '.$result['error_description'];
        } else {
            print_r($result['result']);
        }