client.admin.createGroup(params: CreateGroupParams): Promise<Group>

// Static group -- manual membership
const engineers = await client.admin.createGroup({
  name: "Engineering",
  description: "Engineering team members",
  organizationId: "org_abc123",
  type: "static",
});

// Dynamic group -- automatic membership based on traits
const euUsers = await client.admin.createGroup({
  name: "EU Users",
  description: "Users with EU timezone",
  organizationId: "org_abc123",
  type: "dynamic",
  rule: 'traits.timezone.startsWith("Europe/")',
});

// Users with a specific email domain
'traits.email.endsWith("@acme.com")'

// Users with admin role
'traits.role == "admin"'

// Users created in the last 30 days
'identity.created_at > now() - duration("720h")'

// Users with verified email and phone
'traits.email_verified == true && traits.phone_verified == true'

// Users in a specific locale
'traits.locale in ["en-US", "en-GB", "en-AU"]'

await client.admin.addGroupMember({
  groupId: "grp_abc123",
  userId: "usr_jane",
});

await client.admin.removeGroupMember({
  groupId: "grp_abc123",
  userId: "usr_jane",
});

const result = await client.admin.listGroupMembers({
  groupId: "grp_abc123",
  pageSize: 50,
});

for (const member of result.members) {
  console.log(member.userId, member.email, member.joinedAt);
}

const result = await client.admin.listGroups({
  organizationId: "org_abc123",
  pageSize: 25,
});

for (const group of result.groups) {
  console.log(group.id, group.name, group.type, group.memberCount);
}