%META:TOPICINFO{author="TWikiContributor" date="1401997934" format="1.1" version="13"}%
---+ TWiki Groups

Use these groups to define fine grained [[%SYSTEMWEB%.TWikiAccessControl][access control]] in <nop>%WIKITOOLNAME%:

%GROUPS%

<form action="%SCRIPTURLPATH{"save"}%/%WEB%/" method="post" onsubmit="if( /^[A-Z]+[a-z0-9]+[A-Z-a-z0-9]*Group$/.test( this.topic.value ) ) { return true; }; alert( 'A group topic name must be a !WikiWord and must end in ...Group' ); return false;">
%TABLE{databg="#f4f4f8" cellpadding="10"}%
| <span style="white-space: nowrap;">New Group:</span> |<input type="text" name="topic" value="NameGroup" size="40" class="twikiInputField" />&nbsp;<input class="twikiSubmit" type="submit" value="Add"/> |
|^|%ICON{"warning"}% A group topic name must be a [[%SYSTEMWEB%.WikiWord][WikiWord]] and __must__ end in =...Group=. %BR% %ICON{"tip"}% New topics are based on [[TWikiGroupTemplate]] |
<input type="hidden" name="templatetopic" value="TWikiGroupTemplate"/>
<input type="hidden" name="topicparent" value="%TOPIC%"/>
<input type="hidden" name="onlywikiname" value="on" />
<input type="hidden" name="onlynewtopic" value="on" />
</form>

*IMPORTANT NOTE:* Think twice before restricting write access to a web or a topic, because an open system where everybody can contribute is the essence of [[%SYSTEMWEB%.WikiCulture][WikiCulture]]. Experience shows that unrestricted write access works very well because:
   * There is enough peer pressure to post only appropriate content.
   * Content does not get lost because topics are under revision control.
   * A topic can be rolled back to a previous version.

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__Related topics:__ [[%SYSTEMWEB%.TWikiAccessControl][TWikiAccessControl]], [[%WEBPREFSTOPIC%]], [[UserList]], [[%WIKIUSERSTOPIC%]], [[%SYSTEMWEB%.WikiCulture][WikiCulture]]