|`repo`| The path of the repository without the domain name in the form of`my_username/ my_repo`. {::nomarkdown} <br>Note: To clone a GitHub wiki, specify the full URL of the wiki,{:/} for example,`"https://github.com/wikis/examples.wiki"`.| Required|

|`revision`| The revision of the repository you are checking out. It can be a revision hash or a branch name. The default value is the branch you have specified in your Git provider (e.g`master` or`main`).| Default|

|`depth`| The number of commits to pull from the repo to create a shallow clone. Creating a shallow clone truncates the history to the number of commits specified, instead of pulling the entire history.| Optional|

|`exclude_blob`| Specifies if to include or exclude blob (Binary Large Object) objects from the Git repo being cloned. <br>The options are:{::nomarkdown}<ul><li><codeclass="highlighter-rouge">false</code>: The default, includes blob objects from the Git repo being cloned. </li><li><codeclass="highlighter-rouge">true</code>: Excludes blob objects from the Git repo being cloned. Blob objects in the HEAD are always included, while historical versions are not.</li></ul>{:/}| Optional|

|`use_proxy`| If set to true the Git clone process will honor`HTTP_PROXY` and`HTTPS_PROXY` variables if present for[working via a proxy](#using-git-behind-a-proxy). Default value is`false`.| Default|

|`credentials`| Credentials to access the repository, if it requires authentication. It can an object containing`username` and`password` fields. Credentials are optional if you are using the[built-in Git integrations]({{site.baseurl}}/docs/integrations/git-providers/) .| Optional|

|`timeout`| The maximum duration permitted to complete step execution in seconds (`s`), minutes (`m`), or hours (`h`), after which to automatically terminate step execution. For example,`timeout: 1.5h`. <br>The timeout supports integers and floating numbers, and can be set to a maximum of 2147483647ms (approximately 24.8 days). <br><br>If defined and set to either`0s/m/h` or`null`, the timeout is ignored and step execution is not terminated.<br>See[Add a timeout to terminate step execution](#add-a-timeout-to-terminate-step-execution).|Optional|