Write file

• Type file.write
• Group MZBase
• Role action
• Risk changes data
• Side effect has an effect each run
• Runs once per item

Writes or appends text, lines or a binary to a file in an allowed folder

Also available to AI agents and over MCP as a tool.

Parameters

root

Folder · string · optional

The folder: empty = this workflow’s own folder, or one of the allowed folders.

path

Path · string · required

Path of the file inside the chosen folder. Missing folders are created when that option is on.

content

Content · string · required · default text · one of text, lines, binary

What to write: a text, lines, or a file from the item.

text

Text · string · optional

The text to type. Expressions insert item data.

Shown when content is text.

lines

Lines · string · optional

Shown when content is lines.

binaryProperty

File field · string · optional · default data

Shown when content is binary.

mode

Mode · string · optional · default append · one of overwrite, append, appendUnique

Overwrite the file, append to its end, or append only lines it does not have yet.

createFolders

Create missing folders · boolean · optional · default true

Outputs

• main

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