microsoft.graph.invitation

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://artifacts.apis.io/azure-ad/json-schema/azure-ad-microsoft-graph-invitation-schema.json",
  "title": "microsoft.graph.invitation",
  "x-generated": "2026-11-05",
  "x-method": "derived",
  "x-generator": "derive-json-schema.py",
  "x-source": "openapi/azure-ad-invitations-invitation-api-openapi.yml#/components/schemas/microsoft.graph.invitation",
  "allOf": [
    {
      "$ref": "#/$defs/microsoft.graph.entity"
    },
    {
      "title": "invitation",
      "type": "object",
      "properties": {
        "invitedUserDisplayName": {
          "type": [
            "string",
            "null"
          ],
          "description": "The display name of the user being invited."
        },
        "invitedUserEmailAddress": {
          "type": "string",
          "description": "The email address of the user being invited. Required. The following special characters aren't permitted in the email address:Tilde (~)Exclamation point (!)Number sign (#)Dollar sign ($)Percent (%)Circumflex (^)Ampersand (&)Asterisk (*)Parentheses (( ))Plus sign (+)Equal sign (=)Brackets ([ ])Braces ({ })Backslash (/)Slash mark (/)Pipe (/|)Semicolon (;)Colon (:)Quotation marks (')Angle brackets (< >)Question mark (?)Comma (,)However, the following exceptions apply:A period (.) or a hyphen (-) is permitted anywhere in the user name, except at the beginning or end of the name.An underscore (_) is permitted anywhere in the user name, including at the beginning or end of the name."
        },
        "invitedUserMessageInfo": {
          "$ref": "#/$defs/microsoft.graph.invitedUserMessageInfo"
        },
        "invitedUserType": {
          "type": [
            "string",
            "null"
          ],
          "description": "The userType of the user being invited. By default, this is Guest. You can invite as Member if you're a company administrator."
        },
        "inviteRedeemUrl": {
          "type": [
            "string",
            "null"
          ],
          "description": "The URL the user can use to redeem their invitation. Read-only."
        },
        "inviteRedirectUrl": {
          "type": "string",
          "description": "The URL the user should be redirected to after the invitation is redeemed. Required."
        },
        "resetRedemption": {
          "type": [
            "boolean",
            "null"
          ],
          "description": "Reset the user's redemption status and reinvite a user while retaining their user identifier, group memberships, and app assignments. This property allows you to enable a user to sign-in using a different email address from the one in the previous invitation. When true, the invitedUser/id relationship is required. For more information about using this property, see Reset redemption status for a guest user."
        },
        "sendInvitationMessage": {
          "type": [
            "boolean",
            "null"
          ],
          "description": "Indicates whether an email should be sent to the user being invited. The default is false."
        },
        "status": {
          "type": [
            "string",
            "null"
          ],
          "description": "The status of the invitation. The possible values are: PendingAcceptance, Completed, InProgress, and Error."
        },
        "invitedUser": {
          "$ref": "#/$defs/microsoft.graph.user"
        },
        "invitedUserSponsors": {
          "type": "array",
          "items": {
            "$ref": "#/$defs/microsoft.graph.directoryObject"
          },
          "description": "The users or groups who are sponsors of the invited user. Sponsors are users and groups that are responsible for guest users' privileges in the tenant and for keeping the guest users' information and access up to date.",
          "x-ms-navigationProperty": true
        }
      },
      "additionalProperties": {
        "type": "object"
      }
    }
  ],
  "$defs": {
    "microsoft.graph.Json": {
      "title": "Json",
      "type": "object",
      "additionalProperties": {
        "type": "object"
      },
      "description": "Standard way to represent a Json blob on Graph."
    },
    "microsoft.graph.accessAction": {
      "title": "accessAction",
      "type": "object",
      "additionalProperties": {
        "type": "object"
      }
    },
    "microsoft.graph.actionState": {
      "title": "actionState",
      "enum": [
        "none",
        "pending",
        "canceled",
        "active",
        "done",
        "failed",
        "notSupported"
      ],
      "type": "string",
      "description": "State of the action on the device",
      "x-ms-enum": {
        "name": "actionState",
        "modelAsString": false,
        "values": [
          {
            "value": "none",
            "description": "Not a valid action state",
            "name": "none"
          },
          {
            "value": "pending",
            "description": "Action is pending",
            "name": "pending"
          },
          {
            "value": "canceled",
            "description": "Action has been cancelled.",
            "name": "canceled"
          },
          {
            "value": "active",
            "description": "Action is active.",
            "name": "active"
          },
          {
            "value": "done",
            "description": "Action completed without errors.",
            "name": "done"
          },
          {
            "value": "failed",
            "description": "Action failed",
            "name": "failed"
          },
          {
            "value": "notSupported",
            "description": "Action is not supported.",
            "name": "notSupported"
          }
        ]
      }
    },
    "microsoft.graph.activitiesContainer": {
      "allOf": [
        {
          "$ref": "#/$defs/microsoft.graph.entity"
        },
        {
          "title": "activitiesContainer",
          "type": "object",
          "properties": {
            "contentActivities": {
              "type": "array",
              "items": {
                "$ref": "#/$defs/microsoft.graph.contentActivity"
              },
              "description": "Collection of activity logs related to content processing.",
              "x-ms-navigationProperty": true
            }
          },
          "additionalProperties": {
            "type": "object"
          }
        }
      ]
    },
    "microsoft.graph.activityHistoryItem": {
      "allOf": [
        {
          "$ref": "#/$defs/microsoft.graph.entity"
        },
        {
          "title": "activityHistoryItem",
          "type": "object",
          "properties": {
            "activeDurationSeconds": {
              "maximum": 2147483647,
              "minimum": -2147483648,
              "type": [
                "number",
                "null"
              ],
              "description": "Optional. The duration of active user engagement. if not supplied, this is calculated from the startedDateTime and lastActiveDateTime.",
              "format": "int32"
            },
            "createdDateTime": {
              "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
              "type": [
                "string",
                "null"
              ],
              "description": "Set by the server. DateTime in UTC when the object was created on the server.",
              "format": "date-time"
            },
            "expirationDateTime": {
              "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
              "type": [
                "string",
                "null"
              ],
              "description": "Optional. UTC DateTime when the activityHistoryItem will undergo hard-delete. Can be set by the client.",
              "format": "date-time"
            },
            "lastActiveDateTime": {
              "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
              "type": [
                "string",
                "null"
              ],
              "description": "Optional. UTC DateTime when the activityHistoryItem (activity session) was last understood as active or finished - if null, activityHistoryItem status should be Ongoing.",
              "format": "date-time"
            },
            "lastModifiedDateTime": {
              "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
              "type": [
                "string",
                "null"
              ],
              "description": "Set by the server. DateTime in UTC when the object was modified on the server.",
              "format": "date-time"
            },
            "startedDateTime": {
              "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
              "type": "string",
              "description": "Required. UTC DateTime when the activityHistoryItem (activity session) was started. Required for timeline history.",
              "format": "date-time"
            },
            "status": {
              "$ref": "#/$defs/microsoft.graph.status"
            },
            "userTimezone": {
              "type": [
                "string",
                "null"
              ],
              "description": "Optional. The timezone in which the user's device used to generate the activity was located at activity creation time. Values supplied as Olson IDs in order to support cross-platform representation."
            },
            "activity": {
              "$ref": "#/$defs/microsoft.graph.userActivity"
            }
          },
          "additionalProperties": {
            "type": "object"
          }
        }
      ]
    },
    "microsoft.graph.activityMetadata": {
      "title": "activityMetadata",
      "type": "object",
      "properties": {
        "activity": {
          "$ref": "#/$defs/microsoft.graph.userActivityType"
        }
      },
      "additionalProperties": {
        "type": "object"
      }
    },
    "microsoft.graph.adhocCall": {
      "allOf": [
        {
          "$ref": "#/$defs/microsoft.graph.entity"
        },
        {
          "title": "adhocCall",
          "type": "object",
          "properties": {
            "recordings": {
              "type": "array",
              "items": {
                "$ref": "#/$defs/microsoft.graph.callRecording"
              },
              "description": "The recordings of a call. Read-only.",
              "x-ms-navigationProperty": true
            },
            "transcripts": {
              "type": "array",
              "items": {
                "$ref": "#/$defs/microsoft.graph.callTranscript"
              },
              "description": "The transcripts of a call. Read-only.",
              "x-ms-navigationProperty": true
            }
          },
          "additionalProperties": {
            "type": "object"
          }
        }
      ]
    },
    "microsoft.graph.agreementAcceptance": {
      "allOf": [
        {
          "$ref": "#/$defs/microsoft.graph.entity"
        },
        {
          "title": "agreementAcceptance",
          "type": "object",
          "properties": {
            "agreementFileId": {
              "type": [
                "string",
                "null"
              ],
              "description": "The identifier of the agreement file accepted by the user."
            },
            "agreementId": {
              "type": [
                "string",
                "null"
              ],
              "description": "The identifier of the agreement."
            },
            "deviceDisplayName": {
              "type": [
                "string",
                "null"
              ],
              "description": "The display name of the device used for accepting the agreement."
            },
            "deviceId": {
              "type": [
                "string",
                "null"
              ],
              "description": "The unique identifier of the device used for accepting the agreement. Supports $filter (eq) and eq for null values."
            },
            "deviceOSType": {
              "type": [
                "string",
                "null"
              ],
              "description": "The operating system used to accept the agreement."
            },
            "deviceOSVersion": {
              "type": [
                "string",
                "null"
              ],
              "description": "The operating system version of the device used to accept the agreement."
            },
            "expirationDateTime": {
              "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
              "type": [
                "string",
                "null"
              ],
              "description": "The expiration date time of the acceptance. The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z. Supports $filter (eq, ge, le) and eq for null values.",
              "format": "date-time"
            },
            "recordedDateTime": {
              "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
              "type": [
                "string",
                "null"
              ],
              "description": "The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z.",
              "format": "date-time"
            },
            "state": {
              "$ref": "#/$defs/microsoft.graph.agreementAcceptanceState"
            },
            "userDisplayName": {
              "type": [
                "string",
                "null"
              ],
              "description": "Display name of the user when the acceptance was recorded."
            },
            "userEmail": {
              "type": [
                "string",
                "null"
              ],
              "description": "Email of the user when the acceptance was recorded."
            },
            "userId": {
              "type": [
                "string",
                "null"
              ],
              "description": "The identifier of the user who accepted the agreement. Supports $filter (eq)."
            },
            "userPrincipalName": {
              "type": [
                "string",
                "null"
              ],
              "description": "UPN of the user when the acceptance was recorded."
            }
          },
          "additionalProperties": {
            "type": "object"
          }
        }
      ]
    },
    "microsoft.graph.agreementAcceptanceState": {
      "title": "agreementAcceptanceState",
      "enum": [
        "accepted",
        "declined",
        "unknownFutureValue"
      ],
      "type": "string"
    },
    "microsoft.graph.album": {
      "title": "album",
      "type": "object",
      "properties": {
        "coverImageItemId": {
          "type": [
            "string",
            "null"
          ],
          "description": "Unique identifier of the driveItem that is the cover of the album."
        }
      },
      "additionalProperties": {
        "type": "object"
      }
    },
    "microsoft.graph.allowedLobbyAdmitterRoles": {
      "title": "allowedLobbyAdmitterRoles",
      "enum": [
        "organizerAndCoOrganizersAndPresenters",
        "organizerAndCoOrganizers",
        "unknownFutureValue"
      ],
      "type": "string"
    },
    "microsoft.graph.alternativeSecurityId": {
      "title": "alternativeSecurityId",
      "type": "object",
      "properties": {
        "identityProvider": {
          "type": [
            "string",
            "null"
          ],
          "description": "For internal use only."
        },
        "key": {
          "type": [
            "string",
            "null"
          ],
          "description": "For internal use only.",
          "format": "base64url"
        },
        "type": {
          "maximum": 2147483647,
          "minimum": -2147483648,
          "type": [
            "number",
            "null"
          ],
          "description": "For internal use only.",
          "format": "int32"
        }
      },
      "additionalProperties": {
        "type": "object"
      }
    },
    "microsoft.graph.appIdentity": {
      "title": "appIdentity",
      "type": "object",
      "properties": {
        "appId": {
          "type": [
            "string",
            "null"
          ],
          "description": "Refers to the unique ID representing application in Microsoft Entra ID."
        },
        "displayName": {
          "type": [
            "string",
            "null"
          ],
          "description": "Refers to the application name displayed in the Microsoft Entra admin center."
        },
        "servicePrincipalId": {
          "type": [
            "string",
            "null"
          ],
          "description": "Refers to the unique ID for the service principal in Microsoft Entra ID."
        },
        "servicePrincipalName": {
          "type": [
            "string",
            "null"
          ],
          "description": "Refers to the Service Principal Name is the Application name in the tenant."
        }
      },
      "additionalProperties": {
        "type": "object"
      }
    },
    "microsoft.graph.appLogUploadState": {
      "title": "appLogUploadState",
      "enum": [
        "pending",
        "completed",
        "failed",
        "unknownFutureValue"
      ],
      "type": "string",
      "description": "AppLogUploadStatus",
      "x-ms-enum": {
        "name": "appLogUploadState",
        "modelAsString": false,
        "values": [
          {
            "value": "pending",
            "description": "Default. Indicates that request is waiting to be processed or under processing.",
            "name": "pending"
          },
          {
            "value": "completed",
            "description": "Indicates that request is completed with file uploaded to Azure blob for download.",
            "name": "completed"
          },
          {
            "value": "failed",
            "description": "Indicates that request is completed with file uploaded to Azure blob for download.",
            "name": "failed"
          },
          {
            "value": "unknownFutureValue",
            "description": "Evolvable enumeration sentinel value. Do not use.",
            "name": "unknownFutureValue"
          }
        ]
      }
    },
    "microsoft.graph.appRoleAssignment": {
      "allOf": [
        {
          "$ref": "#/$defs/microsoft.graph.directoryObject"
        },
        {
          "title": "appRoleAssignment",
          "type": "object",
          "properties": {
            "appRoleId": {
              "pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$",
              "type": "string",
              "description": "The identifier (id) for the app role that's assigned to the principal. This app role must be exposed in the appRoles property on the resource application's service principal (resourceId). If the resource application hasn't declared any app roles, a default app role ID of 00000000-0000-0000-0000-000000000000 can be specified to signal that the principal is assigned to the resource app without any specific app roles. Required on create.",
              "format": "uuid"
            },
            "createdDateTime": {
              "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
              "type": [
                "string",
                "null"
              ],
              "description": "The time when the app role assignment was created. The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z. Read-only.",
              "format": "date-time"
            },
            "principalDisplayName": {
              "type": [
                "string",
                "null"
              ],
              "description": "The display name of the user, group, or service principal that was granted the app role assignment. Maximum length is 256 characters. Read-only. Supports $filter (eq and startswith)."
            },
            "principalId": {
              "pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$",
              "type": [
                "string",
                "null"
              ],
              "description": "The unique identifier (id) for the user, security group, or service principal being granted the app role. Security groups with dynamic memberships are supported. Required on create.",
              "format": "uuid"
            },
            "principalType": {
              "type": [
                "string",
                "null"
              ],
              "description": "The type of the assigned principal. This can either be User, Group, or ServicePrincipal. Read-only."
            },
            "resourceDisplayName": {
              "type": [
                "string",
                "null"
              ],
              "description": "The display name of the resource app's service principal to which the assignment is made. Maximum length is 256 characters."
            },
            "resourceId": {
              "pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$",
              "type": [
                "string",
                "null"
              ],
              "description": "The unique identifier (id) for the resource service principal for which the assignment is made. Required on create. Supports $filter (eq only).",
              "format": "uuid"
            }
          },
          "additionalProperties": {
            "type": "object"
          }
        }
      ]
    },
    "microsoft.graph.assignedLabel": {
      "title": "assignedLabel",
      "type": "object",
      "properties": {
        "displayName": {
          "type": [
            "string",
            "null"
          ],
          "description": "The display name of the label. Read-only."
        },
        "labelId": {
          "type": [
            "string",
            "null"
          ],
          "description": "The unique identifier of the label."
        }
      },
      "additionalProperties": {
        "type": "object"
      }
    },
    "microsoft.graph.assignedLicense": {
      "title": "assignedLicense",
      "type": "object",
      "properties": {
        "disabledPlans": {
          "type": "array",
          "items": {
            "pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$",
            "type": "string",
            "format": "uuid"
          },
          "description": "A collection of the unique identifiers for plans that have been disabled. IDs are available in servicePlans > servicePlanId in the tenant's subscribedSkus or serviceStatus > servicePlanId in the tenant's companySubscription."
        },
        "skuId": {
          "pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$",
          "type": [
            "string",
            "null"
          ],
          "description": "The unique identifier for the SKU. Corresponds to the skuId from subscribedSkus or companySubscription.",
          "format": "uuid"
        }
      },
      "additionalProperties": {
        "type": "object"
      }
    },
    "microsoft.graph.assignedPlan": {
      "title": "assignedPlan",
      "type": "object",
      "properties": {
        "assignedDateTime": {
          "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
          "type": [
            "string",
            "null"
          ],
          "description": "The date and time at which the plan was assigned. The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z.",
          "format": "date-time"
        },
        "capabilityStatus": {
          "type": [
            "string",
            "null"
          ],
          "description": "Condition of the capability assignment. The possible values are Enabled, Warning, Suspended, Deleted, LockedOut. See a detailed description of each value."
        },
        "service": {
          "type": [
            "string",
            "null"
          ],
          "description": "The name of the service; for example, exchange."
        },
        "servicePlanId": {
          "pattern": "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$",
          "type": [
            "string",
            "null"
          ],
          "description": "A GUID that identifies the service plan. For a complete list of GUIDs and their equivalent friendly service names, see Product names and service plan identifiers for licensing.",
          "format": "uuid"
        }
      },
      "additionalProperties": {
        "type": "object"
      }
    },
    "microsoft.graph.associatedTeamInfo": {
      "allOf": [
        {
          "$ref": "#/$defs/microsoft.graph.teamInfo"
        },
        {
          "title": "associatedTeamInfo",
          "type": "object",
          "additionalProperties": {
            "type": "object"
          }
        }
      ]
    },
    "microsoft.graph.attachment": {
      "allOf": [
        {
          "$ref": "#/$defs/microsoft.graph.entity"
        },
        {
          "title": "attachment",
          "type": "object",
          "properties": {
            "contentType": {
              "type": [
                "string",
                "null"
              ],
              "description": "The MIME type."
            },
            "isInline": {
              "type": "boolean",
              "description": "true if the attachment is an inline attachment; otherwise, false."
            },
            "lastModifiedDateTime": {
              "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
              "type": [
                "string",
                "null"
              ],
              "description": "The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z",
              "format": "date-time"
            },
            "name": {
              "type": [
                "string",
                "null"
              ],
              "description": "The attachment's file name."
            },
            "size": {
              "maximum": 2147483647,
              "minimum": -2147483648,
              "type": "number",
              "description": "The length of the attachment in bytes.",
              "format": "int32"
            }
          },
          "additionalProperties": {
            "type": "object"
          }
        }
      ]
    },
    "microsoft.graph.attachmentBase": {
      "allOf": [
        {
          "$ref": "#/$defs/microsoft.graph.entity"
        },
        {
          "title": "attachmentBase",
          "type": "object",
          "properties": {
            "contentType": {
              "type": [
                "string",
                "null"
              ],
              "description": "The MIME type."
            },
            "lastModifiedDateTime": {
              "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
              "type": [
                "string",
                "null"
              ],
              "description": "The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z.",
              "format": "date-time"
            },
            "name": {
              "type": [
                "string",
                "null"
              ],
              "description": "The display name of the attachment. This doesn't need to be the actual file name."
            },
            "size": {
              "maximum": 2147483647,
              "minimum": -2147483648,
              "type": "number",
              "description": "The length of the attachment in bytes.",
              "format": "int32"
            }
          },
          "additionalProperties": {
            "type": "object"
          }
        }
      ]
    },
    "microsoft.graph.attachmentSession": {
      "allOf": [
        {
          "$ref": "#/$defs/microsoft.graph.entity"
        },
        {
          "title": "attachmentSession",
          "type": "object",
          "properties": {
            "content": {
              "type": [
                "string",
                "null"
              ],
              "description": "The content streams that are uploaded.",
              "format": "base64url"
            },
            "expirationDateTime": {
              "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
              "type": [
                "string",
                "null"
              ],
              "description": "The date and time in UTC when the upload session will expire. The complete file must be uploaded before this expiration time is reached.",
              "format": "date-time"
            },
            "nextExpectedRanges": {
              "type": "array",
              "items": {
                "type": [
                  "string",
                  "null"
                ]
              },
              "description": "Indicates a single value {start} that represents the location in the file where the next upload should begin."
            }
          },
          "additionalProperties": {
            "type": "object"
          }
        }
      ]
    },
    "microsoft.graph.attendanceInterval": {
      "title": "attendanceInterval",
      "type": "object",
      "properties": {
        "durationInSeconds": {
          "maximum": 2147483647,
          "minimum": -2147483648,
          "type": [
            "number",
            "null"
          ],
          "description": "Duration of the meeting interval in seconds; that is, the difference between joinDateTime and leaveDateTime.",
          "format": "int32"
        },
        "joinDateTime": {
          "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
          "type": [
            "string",
            "null"
          ],
          "description": "The time the attendee joined in UTC.",
          "format": "date-time"
        },
        "leaveDateTime": {
          "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
          "type": [
            "string",
            "null"
          ],
          "description": "The time the attendee left in UTC.",
          "format": "date-time"
        }
      },
      "additionalProperties": {
        "type": "object"
      }
    },
    "microsoft.graph.attendanceRecord": {
      "allOf": [
        {
          "$ref": "#/$defs/microsoft.graph.entity"
        },
        {
          "title": "attendanceRecord",
          "type": "object",
          "properties": {
            "attendanceIntervals": {
              "type": "array",
              "items": {
                "$ref": "#/$defs/microsoft.graph.attendanc

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# Full source: https://artifacts.apis.io/azure-ad/json-schema/azure-ad-microsoft-graph-invitation-schema.json