# Metadata
Platforms: desktop, server, mobile OS: mac, windows, linux, ios, android Introduced: 1.0 Security:
# Syntax
set the startValue of scrollbar to number
# Examples
set the startValue of scrollbar "Progress" to 1
# Description
Use the startValue and endValue properties to set the scale of the scrollbar.
The startValue is the value of the thumbPosition when the scrollbar thumb is all the way to the top (for a vertical scrollbar) or left (for a horizontal scrollbar).
# Tags
ui,
# See
- **property:** endValue, properties, thumbSize, thumbPosition - **message:** scrollbarLineInc, scrollbarBeginning - **keyword:** scrollbar, integer - **constant:** scrollbarFactor - **function:** value - **glossary:** scrollbar thumb, property - **object:** scrollbar