Button for file upload

To add a file upload button to the task, use the {{field type= "file" name="output field name> "sources="<sources parameter>" fileType="<fileType parameter>"}} component. Example:

{{field type="file" name="result" sources="GALLERY" fileType="IMAGE_OR_VIDEO"}}
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For a complete list of parameters, see the table.

In the output data description, add one of the fields:

• Field with the file type — for uploading one file only. Example:

  {
    "result": {
      "type": "file",
      "required": true
    }
  }
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• Field with the array_file type — for uploading several files at once. Example:

  {
    "result": {
      "type": "array_file",
      "required": true
    }
  }
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Parameters

Parameter	Overview	Required	Default value
type	Field type: file — Button for file upload.	yes	no
name	Attribute for the output data field. Contains the output field name.	yes	no
sources	Note. This parameter applies to the tasks completed in the mobile app. The file source. You can set several values in the format sources="<value 1><value 2>" (with a space, without a comma). Supported values: RECORDER — Built-in voice recorder in the device. CAMERA. GALLERY. FILE_MANAGER.	yes	no
fileType	Note. This parameter applies to the tasks completed in the mobile app. File type. You can set one of the allowed values: IMAGE_OR_VIDEO — Image or video. VIDEO — Video. AUDIO — Audio recording. ANY — Any file.	Yes (when creating tasks for mobile devices)	no
label	Button text. For example, label="Click me".	no	Depending on the interface language, “Загрузить файл” (Russian), “Upload file” (English), “Dosya yükle” (Turkish), “Faylni yuklash” (Uzbek).
validation-show	The position of popup hints (displayed if the response didn't pass validation). The position is relative to the input field. Supported values: Above the input field: "top-left", "top-center", "top-right". Below the input field: "bottom-left", "bottom-center", "bottom-right". To the left of the input field: "left-top", "left-center", "left-bottom". To the right of the input field: "right-top", "right-center", "right-bottom". Don't display the message ("false").	no	"top-left"
class	The CSS class for the field. For example, class="annotation".	no	".field" ".field_type_file"
multipleSelect	The number of files to download at the same time. For the single file upload, set the value to false. For upload of multiple files: Set the value to true. In the output data description, add a field with the array_file type or another type of array.	no	true (if the output data description contains a field with the array_file type or another type of array).

Parameter	Overview	Required	Default value
type	Field type: file — Button for file upload.	yes	no
name	Attribute for the output data field. Contains the output field name.	yes	no
sources	Note. This parameter applies to the tasks completed in the mobile app. The file source. You can set several values in the format sources="<value 1><value 2>" (with a space, without a comma). Supported values: RECORDER — Built-in voice recorder in the device. CAMERA. GALLERY. FILE_MANAGER.	yes	no
fileType	Note. This parameter applies to the tasks completed in the mobile app. File type. You can set one of the allowed values: IMAGE_OR_VIDEO — Image or video. VIDEO — Video. AUDIO — Audio recording. ANY — Any file.	Yes (when creating tasks for mobile devices)	no
label	Button text. For example, label="Click me".	no	Depending on the interface language, “Загрузить файл” (Russian), “Upload file” (English), “Dosya yükle” (Turkish), “Faylni yuklash” (Uzbek).
validation-show	The position of popup hints (displayed if the response didn't pass validation). The position is relative to the input field. Supported values: Above the input field: "top-left", "top-center", "top-right". Below the input field: "bottom-left", "bottom-center", "bottom-right". To the left of the input field: "left-top", "left-center", "left-bottom". To the right of the input field: "right-top", "right-center", "right-bottom". Don't display the message ("false").	no	"top-left"
class	The CSS class for the field. For example, class="annotation".	no	".field" ".field_type_file"
multipleSelect	The number of files to download at the same time. For the single file upload, set the value to false. For upload of multiple files: Set the value to true. In the output data description, add a field with the array_file type or another type of array.	no	true (if the output data description contains a field with the array_file type or another type of array).