# Merge PDF documents
Combine several PDF documents into one, in the order you supply them, in a Zap. No code to write, and no document is stored after the Zap runs.
Use this action to combine multiple PDF documents into a single PDF
document.
## Input
<ParamField name="PDF Documents" type="file" required>
The list of PDF documents to combine. Add each input PDF document to the
list; they are merged in the order they appear.
</ParamField>
## Output
<ParamField name="File" type="file">
A file with the merged PDF document. You can use it as input to other
steps in your zap.
</ParamField>
Merge PDF documents
Combine several PDF documents into one, in the order you supply them, in a Zap. No code to write, and no document is stored after the Zap runs.
Use this action to combine multiple PDF documents into a single PDF document.
Input
PDF DocumentsfilerequiredThe list of PDF documents to combine. Add each input PDF document to the list; they are merged in the order they appear.
Output
FilefileA file with the merged PDF document. You can use it as input to other steps in your zap.