The process of building custom applications and tools that interact with Microsoft SharePoint, including SharePoint Online in Microsoft 365.
Hi @Christopher Wilson ,
Try to set requireSignIn parameter to true in the body as the below, check if it works for you.
{
"requireSignIn": true,
"sendInvitation": true,
"roles": [
"write"
],
"recipients": [
{
"email": "******@contoso.onmicrosoft.com"
}
],
"message": "test message"
}
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