Get Task by ID tasks.task.get

curl -X POST \
        -H "Content-Type: application/json" \
        -H "Accept: application/json" \
        -d '{"taskId":8017,"select":["ID","TITLE","DESCRIPTION","CREATED_BY","RESPONSIBLE_ID","DEADLINE","UF_CRM_TASK","UF_TASK_WEBDAV_FILES"],"auth":"**put_access_token_here**"}' \
        https://**put_your_bitrix24_address**/rest/tasks.task.get
        

// 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, ISODate } from '@bitrix24/b24jssdk'
        
        declare const $b24: B24Frame
        
        // result.task limited to the requested (select) fields, in the SDK camelCase form
        // Shape of the payload returned in result (match the "response handling" section of the page)
        type TaskGetResult = {
          task: {
            id: string
            title: string
            description: string
            createdBy: string
            responsibleId: string
            deadline: ISODate | null
            ufCrmTask: string[]
            ufTaskWebdavFiles: number[]
          }
        }
        
        try {
          const response = await $b24.actions.v2.call.make<TaskGetResult>({
            method: 'tasks.task.get',
            params: {
              taskId: 8017, // ID of the task to read
              // Request only the fields you need
              select: [
                'ID',
                'TITLE',
                'DESCRIPTION',
                'CREATED_BY',
                'RESPONSIBLE_ID',
                'DEADLINE',
                'UF_CRM_TASK',
                'UF_TASK_WEBDAV_FILES'
              ]
            },
            requestId: Text.getUuidRfc4122() // optional unique tracking id for this request
          })
        
          // The payload is available only on a successful response
          if (!response.isSuccess) {
            console.error(response.getErrorMessages().join('; '))
          } else {
            const task = response.getData()!.result.task
            console.info(`Fetched task ${task.id}: ${task.title}`)
          }
        } 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 getTask() {
            try {
              // Initialize the SDK inside a Bitrix24 frame
              const $b24 = await B24Js.initializeB24Frame()
        
              const response = await $b24.actions.v2.call.make({
                method: 'tasks.task.get',
                params: {
                  taskId: 8017, // ID of the task to read
                  // Request only the fields you need
                  select: [
                    'ID',
                    'TITLE',
                    'DESCRIPTION',
                    'CREATED_BY',
                    'RESPONSIBLE_ID',
                    'DEADLINE',
                    'UF_CRM_TASK',
                    'UF_TASK_WEBDAV_FILES'
                  ]
                },
                requestId: B24Js.Text.getUuidRfc4122() // optional unique tracking id for this request
              })
        
              // The payload is available only on a successful response
              if (!response.isSuccess) {
                console.error(response.getErrorMessages().join('; '))
                return
              }
        
              const task = response.getData().result.task
              console.info(`Fetched task ${task.id}: ${task.title}`)
            } catch (error) {
              // Thrown on transport or SDK failures (AjaxError, SdkError, etc.)
              console.error(error)
            }
          }
        
          document.addEventListener('DOMContentLoaded', getTask)
        </script>
        

try {
            $response = $b24Service
                ->core
                ->call(
                    'tasks.task.get',
                    [
                        'taskId' => 8017,
                        'select' => [
                            'ID',
                            'TITLE',
                            'DESCRIPTION',
                            'CREATED_BY',
                            'RESPONSIBLE_ID',
                            'DEADLINE',
                            'UF_CRM_TASK',
                            'UF_TASK_WEBDAV_FILES'
                        ]
                    ]
                );
        
            $result = $response
                ->getResponseData()
                ->getResult();
        
            echo 'Success: ' . print_r($result, true);
            processData($result);
        
        } catch (Throwable $e) {
            error_log($e->getMessage());
            echo 'Error fetching task: ' . $e->getMessage();
        }
        

BX24.callMethod(
            'tasks.task.get',
            {
                taskId: 8017,
                select: [
                    'ID',
                    'TITLE',
                    'DESCRIPTION',
                    'CREATED_BY',
                    'RESPONSIBLE_ID',
                    'DEADLINE',
                    'UF_CRM_TASK',
                    'UF_TASK_WEBDAV_FILES'
                ]
            },
            function(result){
                console.info(result.data());
                console.log(result);
            }
        );
        

require_once('crest.php');
        
        $result = CRest::call(
            'tasks.task.get',
            [
                'taskId' => 8017,
                'select' => [
                    'ID',
                    'TITLE',
                    'DESCRIPTION',
                    'CREATED_BY',
                    'RESPONSIBLE_ID',
                    'DEADLINE',
                    'UF_CRM_TASK',
                    'UF_TASK_WEBDAV_FILES'
                ]
            ]
        );
        
        echo '<PRE>';
        print_r($result);
        echo '</PRE>';