curl -i -X POST "https://api.box.com/2.0/retention_policies" \
     -H "authorization: Bearer <ACCESS_TOKEN>" \
     -H "content-type: application/json" \
     -d '{
       "policy_name": "Some Policy Name",
       "policy_type": "finite",
       "retention_length": 365,
       "disposition_action": "permanently_delete"
     }'

client.retention_policies.create_retention_policy(
    retention_policy_name,
    CreateRetentionPolicyPolicyType.FINITE,
    CreateRetentionPolicyDispositionAction.REMOVE_RETENTION,
    description=retention_description,
    retention_length="1",
    retention_type=CreateRetentionPolicyRetentionType.MODIFIABLE,
    can_owner_extend_retention=True,
    are_owners_notified=True,
)

await client.retentionPolicies.createRetentionPolicy({
  policyName: retentionPolicyName,
  policyType: 'finite' as CreateRetentionPolicyRequestBodyPolicyTypeField,
  areOwnersNotified: true,
  canOwnerExtendRetention: true,
  description: retentionDescription,
  dispositionAction:
    'remove_retention' as CreateRetentionPolicyRequestBodyDispositionActionField,
  retentionLength: '1',
  retentionType:
    'modifiable' as CreateRetentionPolicyRequestBodyRetentionTypeField,
} satisfies CreateRetentionPolicyRequestBody);

try await client.retentionPolicies.createRetentionPolicy(requestBody: CreateRetentionPolicyRequestBody(policyName: retentionPolicyName, policyType: CreateRetentionPolicyRequestBodyPolicyTypeField.finite, areOwnersNotified: true, canOwnerExtendRetention: true, description: retentionDescription, dispositionAction: CreateRetentionPolicyRequestBodyDispositionActionField.removeRetention, retentionLength: .string("1"), retentionType: CreateRetentionPolicyRequestBodyRetentionTypeField.modifiable))

client.getRetentionPolicies().createRetentionPolicy(new CreateRetentionPolicyRequestBody.Builder(retentionPolicyName, CreateRetentionPolicyRequestBodyPolicyTypeField.FINITE, CreateRetentionPolicyRequestBodyDispositionActionField.REMOVE_RETENTION).description(retentionDescription).retentionLength("1").retentionType(CreateRetentionPolicyRequestBodyRetentionTypeField.MODIFIABLE).canOwnerExtendRetention(true).areOwnersNotified(true).build())

await client.RetentionPolicies.CreateRetentionPolicyAsync(requestBody: new CreateRetentionPolicyRequestBody(policyName: retentionPolicyName, policyType: CreateRetentionPolicyRequestBodyPolicyTypeField.Finite, dispositionAction: CreateRetentionPolicyRequestBodyDispositionActionField.RemoveRetention) { AreOwnersNotified = true, CanOwnerExtendRetention = true, Description = retentionDescription, RetentionLength = "1", RetentionType = CreateRetentionPolicyRequestBodyRetentionTypeField.Modifiable });

{
  "id": "12345",
  "type": "retention_policy",
  "policy_name": "Some Policy Name",
  "retention_length": "365",
  "disposition_action": "permanently_delete",
  "max_extension_length": "365",
  "description": "Policy to retain all reports for at least one month",
  "policy_type": "finite",
  "retention_type": "non_modifiable",
  "status": "active",
  "created_by": {
    "id": "11446498",
    "type": "user",
    "name": "Aaron Levie",
    "login": "ceo@example.com"
  },
  "created_at": "2012-12-12T10:53:43-08:00",
  "modified_at": "2012-12-12T10:53:43-08:00",
  "can_owner_extend_retention": false,
  "are_owners_notified": false,
  "custom_notification_recipients": [
    {
      "id": "11446498",
      "type": "user",
      "name": "Aaron Levie",
      "login": "ceo@example.com"
    }
  ],
  "assignment_counts": {
    "enterprise": 1,
    "folder": 1,
    "metadata_template": 1
  }
}

{
  "type": "error",
  "status": 400,
  "code": "item_name_invalid",
  "message": "Method Not Allowed",
  "context_info": {
    "message": "Something went wrong"
  },
  "help_url": "https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/",
  "request_id": "abcdef123456"
}

{
  "type": "error",
  "status": 400,
  "code": "item_name_invalid",
  "message": "Method Not Allowed",
  "context_info": {
    "message": "Something went wrong"
  },
  "help_url": "https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/",
  "request_id": "abcdef123456"
}

{
  "type": "error",
  "status": 400,
  "code": "item_name_invalid",
  "message": "Method Not Allowed",
  "context_info": {
    "message": "Something went wrong"
  },
  "help_url": "https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/",
  "request_id": "abcdef123456"
}

{
  "type": "error",
  "status": 400,
  "code": "item_name_invalid",
  "message": "Method Not Allowed",
  "context_info": {
    "message": "Something went wrong"
  },
  "help_url": "https://developer.box.com/guides/api-calls/permissions-and-errors/common-errors/",
  "request_id": "abcdef123456"
}