# Specify additional configurations
<a name="jobs-configurations-specify"></a>

When you create a job or job template, you can specify these additional configurations. The following shows when you can specify these configurations.
+ When creating a custom job template. The additional configuration settings that you specify will be saved when you create a job from the template.
+ When creating a custom job by using a job file. The job file can be a JSON file that's uploaded in an S3 bucket.
+ When creating a custom job by using a custom job template. If the template already has these settings specified, you can either reuse them or override them by specifying new configuration settings. 
+ When creating a custom job by using an AWS managed template.

**Topics**
+ [Specify job configurations by using the AWS Management Console](job-configurations-console.md)
+ [Specify job configurations by using the AWS IoT Jobs API](job-configurations-api.md)