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st.set_option

Set a configuration option.

Currently, only client configuration options can be set within the script itself:

client.showErrorDetails

client.showSidebarNavigation

client.toolbarMode

Calling st.set_option with any other option will raise a StreamlitAPIException. When changing a configuration option in a running app, you may need to trigger a rerun after changing the option to see the effects.

Run streamlit config show in a terminal to see all available options.

Function signature[source]
st.set_option(key, value)
Parameters
key (str)	The config option key of the form "section.optionName". To see all available options, run `streamlit config show` in a terminal.
value (null)	The new value to assign to this config option.

Example

import streamlit as st

st.set_option("client.showErrorDetails", True)

Previous: st.get_option Next: st.set_page_config

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