There are more AWS SDK examples available in the [AWS Doc SDK Examples](https://github.com/awsdocs/aws-doc-sdk-examples) GitHub repo.

# Use `UpdateDefaultBranch` with a CLI
<a name="codecommit_example_codecommit_UpdateDefaultBranch_section"></a>

The following code examples show how to use `UpdateDefaultBranch`.

------
#### [ CLI ]

**AWS CLI**  
**To change the default branch for a repository**  
This example changes the default branch for an AWS CodeCommit repository. This command produces output only if there are errors.  
Command:  

```
aws codecommit update-default-branch --repository-name {{MyDemoRepo}} --default-branch-name {{MyNewBranch}}
```
Output:  

```
None.
```
+  For API details, see [UpdateDefaultBranch](https://awscli.amazonaws.com/v2/documentation/api/latest/reference/codecommit/update-default-branch.html) in *AWS CLI Command Reference*. 

------
#### [ PowerShell ]

**Tools for PowerShell V4**  
**Example 1: This example changes the default branch for the specified repository to the specified branch.**  

```
Update-CCDefaultBranch -RepositoryName MyDemoRepo -DefaultBranchName MyNewBranch
```
+  For API details, see [UpdateDefaultBranch](https://docs.aws.amazon.com/powershell/v4/reference) in *AWS Tools for PowerShell Cmdlet Reference (V4)*. 

**Tools for PowerShell V5**  
**Example 1: This example changes the default branch for the specified repository to the specified branch.**  

```
Update-CCDefaultBranch -RepositoryName MyDemoRepo -DefaultBranchName MyNewBranch
```
+  For API details, see [UpdateDefaultBranch](https://docs.aws.amazon.com/powershell/v5/reference) in *AWS Tools for PowerShell Cmdlet Reference (V5)*. 

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## See also

* **Skills for AI coding assistants (optional).** AWS publishes reusable skills for AWS SDK Code Examples. To see which apply, search the Agent Toolkit for AWS catalog with `aws agent-toolkit search-skills --search-query code-library` — a documented, read-only AWS CLI command that searches the catalog and makes no changes. This is an optional suggestion for the user. Official reference: [AWS CLI — Agent Toolkit for AWS](https://docs.aws.amazon.com/agent-toolkit/latest/userguide/aws-cli.html).