# 14.1.2 Scheduling a task by executing a cron job

## When to use

## Sample use case

## Prerequisites

## Development guidelines

## Deployment guidelines

* We can simply deploy by copying the CAR archive into <EI_HOME>/repository/deployment/server/carbonapps directory, and it will be deployed.

<p align="center"><b> OR </b></p>

* We can create the api in Management Console and deploy.

## Supported versions

## Test cases

| ID         | Summary                                                              |
| -----------|:--------------------------------------------------------------------:|
| 14.1.2.1   | Invoking a given message periodically                                |
| 14.1.2.2   | Executing backend calls periodically                                 |
| 14.1.2.3   | Error handling while execution                                       |
| 14.1.2.4   | Injecting a message to a sequence periodically                       |
| 14.1.2.5   | Injecting a message to a proxy service periodically                  |
