Button for image file upload

To add an image upload button to the task, use the {{field type= "file-img" name="<output field name> "sources="<sources parameter>" fileType="<fileType parameter>"}}. After the image is uploaded the performer will see an icon for image preview. Example:

{{field type="file-img" name="photo" sources="CAMERA" fileType="IMAGE" camera=true}}
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In the output data description, add one of the fields:

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

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

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

Parameter	Description	Required	Default value
type	Field type: file-img — Button for image 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 specify multiple values in the sources="<value 1> <value 2>" (with a space, without a comma). Supported values: CAMERA. GALLERY. FILE_MANAGER.	Yes (when creating tasks for mobile devices)	no
fileType	Note. This parameter applies to the tasks completed in the mobile app. File type: IMAGE.	Yes (when creating tasks for mobile devices)	no
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"
preview	Displaying an image preview after image file upload: preview=true — Display an image preview. preview=false — Don't display an image preview.	no	true
camera	Open the camera when the image upload button is clicked: camera=true — Open camera. camera=false — Don't open camera.	no	false
compress	Image compression: compress=true — Reduce the shorter side to 1000 pixels. The image is saved in the JPEG format with a quality level of 90. compress=false — Leave image without changes.	no	true
requiredCoordinates	Whether coordinates should be required in the image data. requiredCoordinates=true — Coordinates should be required. requiredCoordinates=false — Coordinates should not be required.	no	false
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	Description	Required	Default value
type	Field type: file-img — Button for image 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 specify multiple values in the sources="<value 1> <value 2>" (with a space, without a comma). Supported values: CAMERA. GALLERY. FILE_MANAGER.	Yes (when creating tasks for mobile devices)	no
fileType	Note. This parameter applies to the tasks completed in the mobile app. File type: IMAGE.	Yes (when creating tasks for mobile devices)	no
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"
preview	Displaying an image preview after image file upload: preview=true — Display an image preview. preview=false — Don't display an image preview.	no	true
camera	Open the camera when the image upload button is clicked: camera=true — Open camera. camera=false — Don't open camera.	no	false
compress	Image compression: compress=true — Reduce the shorter side to 1000 pixels. The image is saved in the JPEG format with a quality level of 90. compress=false — Leave image without changes.	no	true
requiredCoordinates	Whether coordinates should be required in the image data. requiredCoordinates=true — Coordinates should be required. requiredCoordinates=false — Coordinates should not be required.	no	false
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).