n8n · Arrays

n8n length

Property that returns the number of characters in a string or items in an array. No parentheses.

Syntax

value.length

Example

$json.attachments.length

Result: 2

Equivalent in Make.com

length() — length(array or text)

Practice length — free interactive labs

n8nBeginner

Count Characters with length in n8n

Practice validating message length (e.g. for SMS limits) with the length property in n8n.
n8nBeginner

Count Items in an Array in n8n

Learn how to count array items with length in n8n, e.g. to skip emails without attachments.

More n8n arrays functions

Array index [0]at()filter()find()map()reduce()sort()