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  19 <b>TtlCommand: Contents
</b><br>  <a href=
"#TTL _key_">TTL _key_
</a><br>    <a href=
"#Return value">Return value
</a> 
  22                 <h1 class=
"wikiname">TtlCommand
</h1> 
  29                     #sidebar 
<a href=
"GenericCommandsSidebar.html">GenericCommandsSidebar
</a><h1><a name=
"TTL _key_">TTL _key_
</a></h1><blockquote>The TTL command returns the remaining time to live in seconds of a key that has an 
<a href=
"ExpireCommand.html">EXPIRE
</a> set. This introspection capability allows a Redis client to check how many seconds a given key will continue to be part of the dataset. If the Key does not exists or does not have an associated expire, -
1 is returned.
</blockquote> 
  30 <h2><a name=
"Return value">Return value
</a></h2><a href=
"ReplyTypes.html">Integer reply
</a>