String Length

Type: Data
Category: DATA

Returns the length of a string as an integer.

Properties

Property	Type	Default	Description
Text	String	""	String to measure

Sockets

Socket	Direction	Type
Text	Input	Data (String)
Length	Output	Data (Int)

Generated code

len(str("hello"))
# result: 5

Typical usage

Validate a field is not empty

[On Update] → [BT Condition: {String Length: Text={Get Property: prop="username"}} > 0]
                  └── True ──► [...]  # valid field

Limit input length

[On Update] → [BT Condition: {String Length: Text={Get Property: prop="input"}} < 20]
                  └── True ──► [...]  # can keep typing

Notes

• Applies str() to the input, so it accepts numbers and other types.
• Returns 0 for empty strings.