FME Transformers: 2025.2 BETA
FME Transformers: 2025.2 BETA
DropboxConnector
Connects to Dropbox to manage files and folders.
Typical Uses
- Managing datasets on Dropbox by uploading, downloading, and deleting files and folders
- Transferring file contents into or out of an attribute in FME
- Retrieving file and folder names, paths, links and other information from Dropbox to use elsewhere in a workspace
How does it work?
The DropboxConnector uses your Dropbox account credentials to perform various management tasks on Dropbox:
Action |
Task |
---|---|
Delete |
Delete files and folders. |
Download |
Download a file or folder to an attribute, file, or folder. |
List |
List the item details for the contents of a folder. |
Upload |
Upload a file, folder, or the contents of an attribute. |
Usage Notes
- This transformer cannot move or copy files between different locations. Consider using multiple connectors for these tasks, by downloading files/folders and re-uploading them to a new location.
Configuration
Input Ports

This transformer accepts any feature.
Output Ports

Features with added attributes, as specified in parameters and according to Action:
Action |
Output |
---|---|
Delete |
Input feature with a count of deleted files. |
Download |
Input feature unchanged. |
List |
Multiple features, one for each item in the specified location, with details about the items. |
Upload |
Input feature with links to the uploaded item. |

Features that cause the operation to fail are output through this port. An fme_rejection_code attribute describing the category of the error will be added, along with a more descriptive fme_rejection_message which contains more specific details as to the reason for the failure.
If an Input feature already has a value for fme_rejection_code, this value will be removed.
Rejected Feature Handling: can be set to either terminate the translation or continue running when it encounters a rejected feature. This setting is available both as a default FME option and as a workspace parameter.
Parameters

Dropbox Action |
Select an operation to perform. Choices include:
|
Dropbox Account |
Select or create a Web Connection, connecting to the DropboxWeb Service. |

Dropbox Path
Delete File at Path |
Specify the path to a file/folder on Dropbox to delete. |
Output Attributes
Deleted File Count |
Name the attribute to contain a count of the number of files/folders that were deleted. |

Dropbox Source
Download from Path |
Specify the Dropbox path to the item to download. |
Destination
Download as |
Select a destination type for downloaded items:
|
Download to File |
When Download as is File, specify the path to the file that will store the downloaded item. |
Download to Folder |
When Download as is Folder, specify the path to the folder that will store the downloaded item. |
Download to Attribute |
When Download as is Attribute, specify the attribute to contain the contents of the downloaded item. |
Output Attributes
No attributes are added for this Action.

Dropbox Path
List Contents at Path |
Specify the Dropbox path to the location of the contents to list. |
Output Attributes
Default attribute names are provided, and may be overwritten.
File or Folder Name |
Name the attribute to contain the name of an object on Dropbox. |
Full Path |
Name the attribute to contain the full path of an object on Dropbox. |
File Size |
Name the attribute to contain the size of a file object on Dropbox. |
Revision |
Name the attribute to contain the revision string of an object on Dropbox. |
Last Modified |
Name the attribute to contain the last modified date of an object on Dropbox. |
File or Folder Flag |
Name the attribute to contain the type (file or folder) of an object on Dropbox. |

Source
Upload from |
Select the source type:
Note that when working with large objects, File is generally the better choice as the data will be read from disk and not need to be held in memory. |
File to Upload |
When Upload from is File, specify the file to be uploaded. |
Source Folder |
When Upload from is Folder, specify the folder to be uploaded. |
Include Subfolders |
When Upload from is Folder, select a method for handling subfolders:
|
Attribute to Upload as File |
When Upload from is Attribute, specify the attribute containing the content for upload. |
Data Encoding |
When Upload from is Attribute, select the encoding type of the uploaded content. |
Dropbox Destination
Upload to Path |
Specify the Dropbox path to upload to. For the root directory, enter /. |
Upload with File Name |
When Upload from is Attribute, specify the filename, including extension, to contain the uploaded content. |
Output Attributes
Shared Link |
Name the attribute to contain a temporary publicly-accessible URL that links to the file on Dropbox. |
Direct Download Link |
Name the attribute to contain a URL that links to the file on Dropbox. This URL can only be used by authenticated users. |
Editing Transformer Parameters
Transformer parameters can be set by directly entering values, using expressions, or referencing other elements in the workspace such as attribute values or user parameters. Various editors and context menus are available to assist. To see what is available, click beside the applicable parameter.

Defining Values
There are several ways to define a value for use in a Transformer. The simplest is to simply type in a value or string, which can include functions of various types such as attribute references, math and string functions, and workspace parameters.
Using the Text Editor
The Text Editor provides a convenient way to construct text strings (including regular expressions) from various data sources, such as attributes, parameters, and constants, where the result is used directly inside a parameter.
Using the Arithmetic Editor
The Arithmetic Editor provides a convenient way to construct math expressions from various data sources, such as attributes, parameters, and feature functions, where the result is used directly inside a parameter.
Conditional Values
Set values depending on one or more test conditions that either pass or fail.
Parameter Condition Definition Dialog
Content
Expressions and strings can include a number of functions, characters, parameters, and more.
When setting values - whether entered directly in a parameter or constructed using one of the editors - strings and expressions containing String, Math, Date/Time or FME Feature Functions will have those functions evaluated. Therefore, the names of these functions (in the form @<function_name>) should not be used as literal string values.

These functions manipulate and format strings. | |
Special Characters |
A set of control characters is available in the Text Editor. |
Math functions are available in both editors. | |
Date/Time Functions | Date and time functions are available in the Text Editor. |
These operators are available in the Arithmetic Editor. | |
These return primarily feature-specific values. | |
FME and workspace-specific parameters may be used. | |
Creating and Modifying User Parameters | Create your own editable parameters. |

Table Tools
Transformers with table-style parameters have additional tools for populating and manipulating values.
Row Reordering
|
Enabled once you have clicked on a row item. Choices include:
|
Cut, Copy, and Paste
|
Enabled once you have clicked on a row item. Choices include:
Cut, copy, and paste may be used within a transformer, or between transformers. |
Filter
|
Start typing a string, and the matrix will only display rows matching those characters. Searches all columns. This only affects the display of attributes within the transformer - it does not alter which attributes are output. |
Import
|
Import populates the table with a set of new attributes read from a dataset. Specific application varies between transformers. |
Reset/Refresh
|
Generally resets the table to its initial state, and may provide additional options to remove invalid entries. Behavior varies between transformers. |
Note: Not all tools are available in all transformers.
For more information, see Transformer Parameter Menu Options.
Reference
Processing Behavior |
|
Feature Holding |
No |
Dependencies |
Dropbox account ![]() The performance of this transformer is dependent on the amount of memory allocated to the Java Virtual Machine (JVM). The following environment variables allow you to specify memory available to Java Plugins:
To pass additional parameters used by FME to the Java Virtual Machine, use the JAVA_TOOL_OPTIONSenvironment variable. |
Aliases | DropboxCaller |
History |
FME Online Resources
The FME Community and Support Center Knowledge Base have a wealth of information, including active forums with 35,000+ members and thousands of articles.
Search for all results about the DropboxConnector on the FME Community.
Examples may contain information licensed under the Open Government Licence – Vancouver, Open Government Licence - British Columbia, and/or Open Government Licence – Canada.