{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "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.",
  "properties": {
    "classification": {
      "type": "['string', 'null']",
      "description": "Classification for the group (e.g., low, medium, high business impact)."
    },
    "createdDateTime": {
      "type": "string",
      "description": "Timestamp of when the group was created."
    },
    "description": {
      "type": "['string', 'null']",
      "description": "An optional description for the group."
    },
    "displayName": {
      "type": "string",
      "description": "The display name for the group. Required on creation."
    },
    "expirationDateTime": {
      "type": "['string', 'null']",
      "description": "Timestamp of when the group is set to expire."
    },
    "groupTypes": {
      "type": "array",
      "description": "Specifies the group type. Include Unified for Microsoft 365 groups. Include DynamicMembership for dynamic groups."
    },
    "isAssignableToRole": {
      "type": "['boolean', 'null']",
      "description": "Indicates whether this group can be assigned to an Azure AD role. Can only be set at creation time."
    },
    "mail": {
      "type": "['string', 'null']",
      "description": "The SMTP address for the group."
    },
    "mailEnabled": {
      "type": "boolean",
      "description": "Specifies whether the group is mail-enabled. Required on creation."
    },
    "mailNickname": {
      "type": "string",
      "description": "The mail alias for the group, unique for Microsoft 365 groups. Required on creation."
    },
    "membershipRule": {
      "type": "['string', 'null']",
      "description": "The rule that determines members for a dynamic group."
    },
    "membershipRuleProcessingState": {
      "type": "['string', 'null']",
      "description": "Indicates whether the dynamic membership processing is on or paused. On or Paused."
    },
    "onPremisesDomainName": {
      "type": "['string', 'null']"
    },
    "onPremisesLastSyncDateTime": {
      "type": "['string', 'null']"
    },
    "onPremisesSyncEnabled": {
      "type": "['boolean', 'null']"
    },
    "preferredLanguage": {
      "type": "['string', 'null']",
      "description": "The preferred language for a Microsoft 365 group in ISO 639-1 format."
    },
    "proxyAddresses": {
      "type": "array"
    },
    "renewedDateTime": {
      "type": "string",
      "description": "Timestamp of when the group was last renewed."
    },
    "securityEnabled": {
      "type": "boolean",
      "description": "Specifies whether the group is a security group. Required on creation."
    },
    "securityIdentifier": {
      "type": "['string', 'null']",
      "description": "Security identifier (SID) of the group."
    },
    "visibility": {
      "type": "['string', 'null']",
      "description": "Specifies the group join policy and group content visibility. Public, Private, or HiddenMembership."
    }
  }
}