# Upload operations
### Upload multiple files
Uploads multiple files from the Flow Server to the SFTP Server.
#### Parameters
| Parameter | Description |
| ------------------ | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Local path | Path where to upload files from. |
| Local mask | Mask used to filter which files to upload. Example "\*.txt". Regular expressions can also be used by prefixing with "regex:", example "regex:\[A\|B].\*" to list all files starting with "A" or "B". |
| Remote path | Path where to upload the files. |
| File transfer mode | Specifies what to do if the file already exists. |
| Case sensitive | Specifies whether to ignore casing or not. |
| Recursive | Specifies whether to also upload from subdirectories. |
#### Output
No output.
#### Since
6.3
### Upload single file
Uploads a single file from the Flow Server to the SFTP Server.
#### Parameters
| Parameter | Description |
| ------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Local filename | File to upload. |
| Remote filename | Where to upload the file. |
| File transfer mode | Specifies what to do if the file already exists. |
| Restart position | Can be used to resume a broken transfer operation. If set to a non-zero positive value, the file being transferred is read starting from that position and is written also starting from provided position. |
#### Output
No output.
#### Since
6.3
### Upload stream
Uploads the content of a Flow variable that contains a binary stream. This can for instance be used to upload data from a camera input.
#### Parameters
| Parameter | Description |
| ------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Local stream | Stream to read data from. |
| Remote filename | Where to upload the data. |
| File transfer mode | Specifies what to do if the file already exists. |
| Restart position | Can be used to resume a broken transfer operation. If set to a non-zero positive value, the file being transferred is read starting from that position and is written also starting from provided position. |
#### Output
No output.
#### Since
6.3
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