Creates a new function. If a function with the given name already exists in the specified project, the long running operation will returnALREADY_EXISTSerror.
HTTP request
POST https://cloudfunctions.googleapis.com/v2alpha/{parent}/functions
Path parameters
Parameters
parent
string
Required. The project and location in which the function should be created, specified in the formatprojects/*/locations/*It takes the formprojects/{project}/locations/{location}.
Authorization requires the followingIAMpermission on the specified resourceparent:
cloudfunctions.functions.create
Query parameters
Parameters
functionId
string
The ID to use for the function, which will become the final component of the function's resource name.
This value should be 4-63 characters, and valid characters are /[a-z][0-9]-/.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-06-16 UTC."],[[["\u003cp\u003eThis webpage details how to create a new function using an HTTP POST request to the Google Cloud Functions API at the specified endpoint.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eparent\u003c/code\u003e path parameter is required to designate the project and location for function creation, and the request needs proper IAM permissions.\u003c/p\u003e\n"],["\u003cp\u003eA \u003ccode\u003efunctionId\u003c/code\u003e query parameter is used to set a unique identifier for the function, with restrictions on the allowed length and characters.\u003c/p\u003e\n"],["\u003cp\u003eThe request body must include details about the new Function, and a successful response will contain an Operation resource.\u003c/p\u003e\n"],["\u003cp\u003eCreating a function requires OAuth scope \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e for authorization.\u003c/p\u003e\n"]]],[],null,["# Method: projects.locations.functions.create\n\n- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Query parameters](#body.QUERY_PARAMETERS)\n- [Request body](#body.request_body)\n- [Response body](#body.response_body)\n- [Authorization scopes](#body.aspect)\n- [Try it!](#try-it)\n\nCreates a new function. If a function with the given name already exists in the specified project, the long running operation will return `ALREADY_EXISTS` error.\n\n### HTTP request\n\n`POST https://cloudfunctions.googleapis.com/v2alpha/{parent}/functions`\n\n### Path parameters\n\n### Query parameters\n\n### Request body\n\nThe request body contains an instance of [Function](/functions/docs/reference/rest/v2alpha/projects.locations.functions#Function).\n\n### Response body\n\nIf successful, the response body contains a newly created instance of [Operation](/functions/docs/reference/rest/Shared.Types/ListOperationsResponse#Operation).\n\n### Authorization scopes\n\nRequires the following OAuth scope:\n\n- `https://www.googleapis.com/auth/cloud-platform`\n\nFor more information, see the [Authentication Overview](/docs/authentication#authorization-gcp)."]]
