# Add-BaseTemplate

Add one or more base templates to a template item.

## Syntax

Add-BaseTemplate -Item \<Item> -TemplateItem \<TemplateItem\[]>

Add-BaseTemplate -Item \<Item> -Template \<String\[]>

Add-BaseTemplate -Path \<String> -TemplateItem \<TemplateItem\[]>

Add-BaseTemplate -Path \<String> -Template \<String\[]>

Add-BaseTemplate -Id \<String> -TemplateItem \<TemplateItem\[]>

Add-BaseTemplate -Id \<String> -Template \<String\[]>

Add-BaseTemplate \[-Database \<String>]

## Detailed Description

The Add-BaseTemplate command adds one or more base templates to a template item.

© 2010-2019 Adam Najmanowicz, Michael West. All rights reserved. Sitecore PowerShell Extensions

## Parameters

### -Item \<Item>

The item to add the base template to.

| Aliases                     |                |
| --------------------------- | -------------- |
| Required?                   | true           |
| Position?                   | named          |
| Default Value               |                |
| Accept Pipeline Input?      | true (ByValue) |
| Accept Wildcard Characters? | false          |

### -Path \<String>

Path to the item to add the base template to.

| Aliases                     |       |
| --------------------------- | ----- |
| Required?                   | true  |
| Position?                   | named |
| Default Value               |       |
| Accept Pipeline Input?      | false |
| Accept Wildcard Characters? | false |

### -Id \<String>

Id of the item to add the base template to.

| Aliases                     |       |
| --------------------------- | ----- |
| Required?                   | true  |
| Position?                   | named |
| Default Value               |       |
| Accept Pipeline Input?      | false |
| Accept Wildcard Characters? | false |

### -TemplateItem \<TemplateItem\[]>

Sitecore item or list of items of base templates to add.

| Aliases                     |       |
| --------------------------- | ----- |
| Required?                   | true  |
| Position?                   | named |
| Default Value               |       |
| Accept Pipeline Input?      | false |
| Accept Wildcard Characters? | false |

### -Template \<String\[]>

Path representing the template item to add as a base template. This must be of the same database as the item to be altered. Note that this parameter only supports a single template.

| Aliases                     |       |
| --------------------------- | ----- |
| Required?                   | true  |
| Position?                   | named |
| Default Value               |       |
| Accept Pipeline Input?      | false |
| Accept Wildcard Characters? | false |

### -Database \<String>

Database containing the item to add the base template to - required if item is specified with Id.

| Aliases                     |       |
| --------------------------- | ----- |
| Required?                   | false |
| Position?                   | named |
| Default Value               |       |
| Accept Pipeline Input?      | false |
| Accept Wildcard Characters? | false |

## Inputs

The input type is the type of the objects that you can pipe to the cmdlet.

* Sitecore.Data.Items.Item

## Notes

Help Author: Adam Najmanowicz, Michael West, Alex Washtell

## Examples

### EXAMPLE 1

Add base template of /sitecore/templates/User Defined/BaseTemplate to a template, using a path.

```powershell
PS master:\> Add-BaseTemplate -Path "master:/sitecore/content/User Defined/Page" -Template "/sitecore/templates/User Defined/BaseTemplate"
```

### EXAMPLE 2

Add multiple base templates to a template, using items.

```powershell
PS master:\> $baseA = Get-Item -Path master:/sitecore/content/User Defined/BaseTemplateA
       PS master:\> $baseB = Get-Item -Path master:/sitecore/content/User Defined/BaseTemplateB
       PS master:\> Add-BaseTemplate -Path "master:/sitecore/content/User Defined/Page" -TemplateItem @($baseA, $baseB)
```

## Related Topics

* [Remove-BaseTemplate](https://doc.sitecorepowershell.com/appendix/common/remove-basetemplate)
* [Get-ItemTemplate](https://doc.sitecorepowershell.com/appendix/common/get-itemtemplate)
* [Set-ItemTemplate](https://doc.sitecorepowershell.com/appendix/common/set-itemtemplate)
* <https://github.com/SitecorePowerShell/Console/>