# Command/startsectionblockenvironment

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# \startsectionblockenvironment ... \stopsectionblockenvironment

## Summary

The environment \startsectionblockenvironment ... \stopsectionblockenvironment allows values to be set that only apply within the named section block rather than globally.

## Settings

 \startsectionblockenvironment[...] ... \stopsectionblockenvironment [...] name

OptionExplanation
name The name of a section block, i.e. frontmatter, bodymatter, appendices, backmatter.

## Description

Setup commands that normally have a global effect can be limited to only apply to a named section block, thus allowing different settings in different blocks.

## Examples

### Chapter heading colored blue only in bodymatter

```% Global settings for all chapters
\setuphead[chapter][style=\ssc]

% Different settings for chapter in the bodymatter block
\startsectionblockenvironment[bodypart]
\setuphead[chapter][color=blue]
\stopsectionblockenvironment

\starttext

\startfrontmatter
\title{Table of contents}  % This toc header would also be blue if the \setuphead above were global
\placecontent
\stopfrontmatter

\startbodymatter
\chapter{Knuth}
\input knuth
\chapter{Zapf}
\input zapf
\stopbodymatter

\stoptext
```

### Suppress page numbering for ToC pages

See Table of Contents - Suppressing page numbering for the ToC pages for an example of how to stop page numbers from being shown on the table of contents page(s).