---
name: "Rex::Helper::Rexfile::ParamLookup"
section: "3pm"
platform: "linux"
package: "rex"
version: "1.16.0-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/Rex::Helper::Rexfile::ParamLookup"
---

# Rex::Helper::Rexfile::ParamLookup(3pm)

A command to manage task parameters. A command to manage task parameters. Additionally it register the parameters as template values. This module also looks inside a CMDB (if present) for a valid key.

## NAME

Rex::Helper::Rexfile::ParamLookup - A command to manage task parameters.

A command to manage task parameters. Additionally it register the parameters as template values.

This module also looks inside a CMDB (if present) for a valid key.

## SYNOPSIS

```
 task "setup", sub {
   my $var = param_lookup "param_name", "default_value";
 };
```

## LOOKUP

First *param\_lookup* checks the task parameters for a valid parameter. If none is found and if a CMDB is used, it will look inside the cmdb.

If your module is named "Rex::NTP" than it will first look if the key "Rex::NTP::param\_name" exists. If it doesn't exists it checks for the key "param\_name".