Hi @PraveenKumar34 please go through the below sample to add person as organizer through graph api and to add person as participants.
Request URL:
POST https://graph.microsoft.com/v1.0/me/onlineMeetings
Request Body:
{
"startDateTime" = "2021-05-06T01:49:21.3524945+00:00",
"endDateTime": "2021-05-06T01:49:21.3524945+00:000",
"subject": "User Token Meeting",
"participants": {
"attendees": [
{
"identity": {
"user": {
"id": "User.Id",
"displayName": "null"
}
},
"upn": "User.UserPrincipalName"
}
],
"organizer": {
"identity": {
"user": {
"id": "User.Id",
"displayName": "null"
}
},
"upn": "User.UserPrincipalName"
}
}
}