Hi,
Relatively new to Flow & REST API logic, so apologies if this a) has already been asked, or b) if this is an elementary question!
Having successfully built in SharePoint Designer using the Call HTTP function, I'm now trying to replicate the logic of creating a new subsite, in a different site collection, when a user submits a request to an SP list.
Within my Flow I have a HTTP component, set up as follows:
Method: POST
Uri: https://<site collection address of where the subsite is to be made>/_api/web/webinfos/add
Headers: Accept & Content Type, both with the standard application/json;odata=verbose
Body:
{
"parameters": {
"Url": "project1",
"Title": "Project One",
"Description": "A description of Project One",
"Language": "1033",
"WebTemplate": "STS#0",
"UseUniquePermissions": true,
"__metadata": {"type": "SP.WebInfoCreationInformation"}
}
}
(my body is hard coded for now to test the logic, after which I will pull the fields from the SP list to populate accordingly)
In my Advanced Options, I am using Basic Authentication & have applied the username & password of a service account that is a site collection administrator (and indeed a Global Admin acc for our O365 domain).
Running the above gives me the following error:
{"error":{"code":"-2147024891, System.UnauthorizedAccessException","message":{"lang":"en-US","value":"Access denied. You do not have permission to perform this action or access this resource."}}}
I was used to seeing this when developing this in SharePoint Designer, the well-known fix of specifying the WF Apps Permission Request in XML & trusting said App meant that exactly the same HTTP build has worked fine in SharePoint Online, having registered the workflow GUID & applied the XML logic of Scope="http://sharepoint/content/tenant" Right="FullControl".
Is there something similar I need to do for this call to be accepted from Flow to SharePoint Online, or have I missed a vital step in Flow?
Any insight, help or tips would be most appreciated.
Thanks
