Get which branch is currently default branch set by CatalogService.SetDefaultBranch method under a specified parent catalog.
Scopes
You will need authorization for the https://www.googleapis.com/auth/cloud-platform scope to make a valid call.
If unset, the scope for this method defaults to https://www.googleapis.com/auth/cloud-platform.
You can set the scope for this method like this: retail2 --scope <scope> projects locations-catalogs-get-default-branch ...
Required Scalar Argument
- <catalog> (string)- The parent catalog resource name, such as projects/*/locations/global/catalogs/default_catalog.
 
- The parent catalog resource name, such as 
Optional Output Flags
The method's return value a JSON encoded structure, which will be written to standard output by default.
- -o out- out specifies the destination to which to write the server's result to.
  It will be a JSON-encoded structure.
  The destination may be -to indicate standard output, or a filepath that is to contain the received bytes. If unset, it defaults to standard output.
 
- out specifies the destination to which to write the server's result to.
  It will be a JSON-encoded structure.
  The destination may be 
Optional General Properties
The following properties can configure any call, and are not specific to this method.
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-p $-xgafv=string - V1 error format.
 
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-p access-token=string - OAuth access token.
 
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-p alt=string - Data format for response.
 
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-p callback=string - JSONP
 
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-p fields=string - Selector specifying which fields to include in a partial response.
 
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-p key=string - API key. Your API key identifies your project and provides you with API access, quota, and reports. Required unless you provide an OAuth 2.0 token.
 
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-p oauth-token=string - OAuth 2.0 token for the current user.
 
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-p pretty-print=boolean - Returns response with indentations and line breaks.
 
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-p quota-user=string - Available to use for quota purposes for server-side applications. Can be any arbitrary string assigned to a user, but should not exceed 40 characters.
 
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-p upload-type=string - Legacy upload protocol for media (e.g. "media", "multipart").
 
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-p upload-protocol=string - Upload protocol for media (e.g. "raw", "multipart").