{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/Group", "title": "Group", "type": "object", "description": "Represents an Azure AD group. Groups are collections of principals with shared access to resources. Microsoft Graph supports several types of groups: Microsoft 365 groups, security groups, and mail-enabled security groups.", "allOf": [ { "$ref": "#/components/schemas/DirectoryObject" } ], "properties": { "classification": { "type": [ "string", "null" ], "description": "Classification for the group (e.g., low, medium, high business impact).", "example": "example_value" }, "createdDateTime": { "type": "string", "format": "date-time", "description": "Timestamp of when the group was created.", "readOnly": true, "example": "2026-01-15T10:30:00Z" }, "description": { "type": [ "string", "null" ], "description": "An optional description for the group.", "example": "A sample description." }, "displayName": { "type": "string", "description": "The display name for the group. Required on creation.", "example": "example_value" }, "expirationDateTime": { "type": [ "string", "null" ], "format": "date-time", "description": "Timestamp of when the group is set to expire.", "example": "2026-01-15T10:30:00Z" }, "groupTypes": { "type": "array", "items": { "type": "string" }, "description": "Specifies the group type. Include Unified for Microsoft 365 groups. Include DynamicMembership for dynamic groups.", "example": [] }, "isAssignableToRole": { "type": [ "boolean", "null" ], "description": "Indicates whether this group can be assigned to an Azure AD role. Can only be set at creation time.", "example": "example_value" }, "mail": { "type": [ "string", "null" ], "format": "email", "description": "The SMTP address for the group.", "readOnly": true, "example": "example_value" }, "mailEnabled": { "type": "boolean", "description": "Specifies whether the group is mail-enabled. Required on creation.", "example": true }, "mailNickname": { "type": "string", "description": "The mail alias for the group, unique for Microsoft 365 groups. Required on creation.", "example": "example_value" }, "membershipRule": { "type": [ "string", "null" ], "description": "The rule that determines members for a dynamic group.", "example": "example_value" }, "membershipRuleProcessingState": { "type": [ "string", "null" ], "description": "Indicates whether the dynamic membership processing is on or paused. On or Paused.", "example": "example_value" }, "onPremisesDomainName": { "type": [ "string", "null" ], "readOnly": true, "example": "example_value" }, "onPremisesLastSyncDateTime": { "type": [ "string", "null" ], "format": "date-time", "readOnly": true, "example": "2026-01-15T10:30:00Z" }, "onPremisesSyncEnabled": { "type": [ "boolean", "null" ], "readOnly": true, "example": "example_value" }, "preferredLanguage": { "type": [ "string", "null" ], "description": "The preferred language for a Microsoft 365 group in ISO 639-1 format.", "example": "example_value" }, "proxyAddresses": { "type": "array", "items": { "type": "string" }, "readOnly": true, "example": [] }, "renewedDateTime": { "type": "string", "format": "date-time", "description": "Timestamp of when the group was last renewed.", "readOnly": true, "example": "2026-01-15T10:30:00Z" }, "securityEnabled": { "type": "boolean", "description": "Specifies whether the group is a security group. Required on creation.", "example": true }, "securityIdentifier": { "type": [ "string", "null" ], "description": "Security identifier (SID) of the group.", "readOnly": true, "example": "example_value" }, "visibility": { "type": [ "string", "null" ], "description": "Specifies the group join policy and group content visibility. Public, Private, or HiddenMembership.", "enum": [ "Public", "Private", "HiddenMembership" ], "example": "Public" } } }