Method: projects.beginTransaction

Begins a new transaction.

POST https://datastore.googleapis.com/v1/projects/{projectId}:beginTransaction

The URL uses gRPC Transcoding syntax.

Parameters

Parameters
`projectId`	`string` Required. The ID of the project against which to make the request.

projectId

string

Required. The ID of the project against which to make the request.

The request body contains data with the following structure:

JSON representation
{ "databaseId" : string , "transactionOptions" : { object ( `TransactionOptions` ) } }

Fields

Fields
`databaseId`	`string` The ID of the database against which to make the request. '(default)' is not allowed; please use empty string '' to refer the default database.
`transactionOptions`	`object ( TransactionOptions )` Options for a new transaction.

databaseId

string

The ID of the database against which to make the request.

'(default)' is not allowed; please use empty string '' to refer the default database.

transactionOptions

Options for a new transaction.

If successful, the response body contains data with the following structure:

JSON representation
{ "transaction" : string }

Fields

Fields
`transaction`	`string ( bytes format)` The transaction identifier (always present). A base64-encoded string.

transaction

string ( bytes format)

The transaction identifier (always present).

A base64-encoded string.

Requires one of the following OAuth scopes:

For more information, see the Authentication Overview .