Column | Type | Mandatory | Description |
---|---|---|---|
CUSTOMER_ID | VARCHAR | Yes | Customer identifier |
VARCHAR | Email address | ||
NAME | VARCHAR | Customer name | |
BILLING_CURRENCY | VARCHAR | Preferred billing currency e.g USD | |
BILLING_ID | VARCHAR | Identifier of the customer in the billing solution that’s integrated with Stigg, i.e. Stripe ID | |
BILLING_LINK_URL | VARCHAR | URL for the customer entity in the billing solution that’s integrated with Stigg | |
DEFAULT_PAYMENT_EXPIRATION_MONTH | NUMBER | Expiration month of the customer’s default payment method | |
DEFAULT_PAYMENT_EXPIRATION_YEAR | NUMBER | Expiration year of the customer’s default payment method | |
DEFAULT_PAYMENT_METHOD_ID | VARCHAR | ID of the customer’s default payment method in the billing solution | |
DEFAULT_PAYMENT_METHOD_LAST4_DIGITS | VARCHAR | Last 4 digits of customer’s default payment method | |
DEFAULT_PAYMENT_METHOD_TYPE | VARCHAR | Enum. Type of default payment method. One of: CARD, BANK | |
DELETED_AT | TIMESTAMP_TZ | Date and time of when the customer was archived | |
ENVIRONMENT_ID | VARCHAR | Yes | Environment identifier |
HAS_ACTIVE_SUBSCRIPTION | BOOLEAN | Yes | Has an active subscription |
ID | VARCHAR | Yes | Customer internal identifier in Stigg |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time |
ADDITIONAL_META_DATA | VARCHAR | Additional metadata JSON in a text format | |
COUPON_ID | VARCHAR | Coupon ID of an applied coupon | |
AWS_MARKETPLACE_CUSTOMER_ID | VARCHAR | AWS Marketplace customer ID | |
SALESFORCE_ID | VARCHAR | Salesforce customer ID |
Column | Type | Mandatory | Description |
---|---|---|---|
ENVIRONMENT_ID | VARCHAR | Yes | Environment identifier |
RESOURCE_ID | VARCHAR | Yes | Resource identifier |
CUSTOMER_ID | VARCHAR | Yes | Customer identifier |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time |
Column | Type | Mandatory | Description |
---|---|---|---|
SUBSCRIPTION_ID | VARCHAR | Yes | Subscription Identifier |
ENVIRONMENT_ID | VARCHAR | Yes | Environment identifier |
ID | VARCHAR | Yes | Subscription internal identifier |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time |
START_DATE | TIMESTAMP_TZ | Yes | Subscription start date |
END_DATE | TIMESTAMP_TZ | Subscription end date | |
CANCELLATION_DATE | TIMESTAMP_TZ | Date of subscription cancellation | |
TRIAL_END_DATE | TIMESTAMP_TZ | End date of trial period | |
BILLING_ID | VARCHAR | Billing identifier (i.e. Stripe ID) of the subscription | |
OLD_BILLING_ID | VARCHAR | Previous billing identifier (i.e. Stripe ID), is set only for canceled or expired subscriptions. | |
BILLING_LINK_URL | VARCHAR | URL for the subscription entity in the billing solution (i.e. Stripe ID) | |
STATUS | VARCHAR | Yes | Enum. Subscription status. Can be one of: PAYMENT_PENDING, ACTIVE, EXPIRED, IN_TRIAL, CANCELED, NOT_STARTED. |
RESOURCE_ID | VARCHAR | Resource identifier | |
IS_CUSTOM_PRICE_SUBSCRIPTION | BOOLEAN | Indicates if subscription has custom pricing (i.e. not self-served) | |
CURRENT_BILLING_PERIOD_START | TIMESTAMP_TZ | Start of the current billing period | |
CURRENT_BILLING_PERIOD_END | TIMESTAMP_TZ | End of the current billing period | |
PRICING_TYPE | VARCHAR | Yes | Enum. Type of pricing applied. Can be one of: FREE, PAID,CUSTOM. |
ADDITIONAL_META_DATA | VARCHAR | Additional metadata | |
PAYMENT_COLLECTION | VARCHAR | Yes | Enum. Payment collection status. Can be one of: NOT_REQUIRED, PROCESSING, FAILED, ACTION_REQUIRED (= 3DS). |
CUSTOMER_ID | VARCHAR | Yes | Associated customer identifier |
PLAN_ID | VARCHAR | Yes | Subscription plan identifier |
⚠️ This field is deprecated, use the SUBSCRIPTION_APPLIED_COUPONS relation table instead | |||
SALESFORCE_ID | VARCHAR | Salesforce customer ID |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Price internal identifier |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time |
USAGE_LIMIT | NUMBER | Usage limit associated with the price | |
FEATURE_ID | VARCHAR | Identifier for the associated feature, if this price represents a billable metric | |
BILLING_MODEL | VARCHAR | Enum. Billing model used. Can be one of: FLAT_FEE, PER_UNIT, USAGE_BASED. | |
SUBSCRIPTION_ID | VARCHAR | Yes | Associated subscription identifier |
PRICE_ID | VARCHAR | Associated plan or add-on price identifier | |
ENVIRONMENT_ID | VARCHAR | Yes | Environment identifier |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | SubscriptionAddon internal identifier |
QUANTITY | NUMBER | Yes | Quantity of the add-on |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time |
SUBSCRIPTION_ID | VARCHAR | Yes | Associated subscription identifier |
ADDON_ID | VARCHAR | Yes | Associated add-on identifier |
PRICE_ID | VARCHAR | Associated plan or add-on price identifier | |
ENVIRONMENT_ID | VARCHAR | Yes | Environment identifier |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Internal identifier |
ENVIRONMENT_ID | VARCHAR | Yes | Environment identifier |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time |
DELETED_AT | VARCHAR | Date and time the coupon was removed from the subscription | |
SUBSCRIPTION_ID | VARCHAR | Yes | Associated subscription identifier |
COUPON_ID | VARCHAR | Yes | Associated coupon identifier |
STATUS | VARCHAR | Yes | Enum - SubscriptionCouponStatus. Can be one of: ACTIVE , EXPIRED or REMOVED |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Product internal identifier |
DISPLAY_NAME | VARCHAR | Display name of the product | |
PRODUCT_ID | VARCHAR | Yes | Product identifier |
DESCRIPTION | VARCHAR | Description of the product | |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time of the product |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
MULTIPLE_SUBSCRIPTIONS | BOOLEAN | Yes | Supports multiple subscriptions, each resource can have a separate subscription |
ADDITIONAL_META_DATA | VARCHAR | Additional metadata for the product |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Plan internal identifier |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time of the plan |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time of the plan |
PLAN_ID | VARCHAR | Yes | Plan identifier |
BILLING_ID | VARCHAR | Billing identifier (Stripe ID) | |
BILLING_LINK_URL | VARCHAR | URL for billing information | |
DISPLAY_NAME | VARCHAR | Yes | Display name of the plan |
PRICING_TYPE | VARCHAR | Enum. Type of pricing used for the plan. Can be one of: FREE, PAID, CUSTOM. | |
DESCRIPTION | VARCHAR | Description of the plan | |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
IS_LATEST | BOOLEAN | Indicates if this is the latest version of the plan | |
VERSION_NUMBER | NUMBER | Version number of the plan | |
ADDITIONAL_META_DATA | VARCHAR | Additional metadata for the plan | |
PRODUCT_ID | VARCHAR | Yes | Associated product identifier |
BASE_PLAN_ID | VARCHAR | Parent plan identifier if this is a child plan |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Add-on internal identifier |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time |
ADDON_ID | VARCHAR | Yes | Add-on identifier |
BILLING_ID | VARCHAR | Billing identifier (Stripe ID) | |
BILLING_LINK_URL | VARCHAR | URL for billing information of the add-on | |
DISPLAY_NAME | VARCHAR | Yes | Display name of the add-on |
PRICING_TYPE | VARCHAR | Enum. Pricing type used for the add-on. Can be one of: FREE, PAID, CUSTOM. For add-ons, the value is always PAID. | |
DESCRIPTION | VARCHAR | Description of the add-on | |
ENVIRONMENT_ID | VARCHAR | Identifier for the associated environment | |
PRODUCT_ID | VARCHAR | Identifier for the associated product | |
IS_LATEST | BOOLEAN | Indicates if this is the latest version of the add-on | |
VERSION_NUMBER | NUMBER | Yes | Version number of the add-on |
ADDITIONAL_META_DATA | VARCHAR | Additional metadata for the add-on |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Price internal identifier |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time of the price |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time |
BILLING_PERIOD | VARCHAR | Yes | Enum. Billing period associated with the price. Can be one of: MONTHLY, ANNUALLY. |
BILLING_MODEL | VARCHAR | Yes | Enum. Billing model used for this price. Can be one of: FLAT_FEE, PER_UNIT, USAGE_BASED. |
BILLING_ID | VARCHAR | Billing identifier associated with the price | |
PRICE_AMOUNT | NUMBER | Monetary value of the price | |
PRICE_CURRENCY | VARCHAR | Currency of the price | |
BILLING_COUNTRY_CODE | VARCHAR | Country code for billing | |
FEATURE_ID | VARCHAR | Identifier for the associated feature | |
MIN_UNIT_QUANTITY | NUMBER | Minimum unit quantity for applying this price | |
PACKAGE_ID | VARCHAR | Identifier for the associated package, can belong to a plan or an add-on | |
MAX_UNIT_QUANTITY | NUMBER | Maximum unit quantity for applying this price | |
ENVIRONMENT_ID | VARCHAR | Yes | Environment identifier |
TIERS_MODE | VARCHAR | Enum. Mode of tiers for the price, if pricing is tiered. Can be one of: VOLUME, VOLUME_PER_UNIT, GRADUATED. | |
TIERS | VARCHAR | Tiers associated with the price. List of JSON objects with the following structure: { upTo: Float!; unitPriceAmount: Float!; unitPriceCurrency: String!; } |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Unique identifier for the package entitlement |
DESCRIPTION | VARCHAR | Description of the package entitlement | |
FEATURE_ID | VARCHAR | Yes | Identifier for the associated feature |
PACKAGE_ID | VARCHAR | Yes | Identifier for the associated package |
CREATED_AT | TIMESTAMP_TZ | Creation date and time of the package entitlement | |
UPDATED_AT | TIMESTAMP_TZ | Last update date and time of the package entitlement | |
USAGE_LIMIT | NUMBER | Usage limit for the entitlement | |
HAS_UNLIMITED_USAGE | BOOLEAN | Indicates if the entitlement has unlimited usage | |
IS_CUSTOM | BOOLEAN | Indicates if the entitlement is custom | |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
RESET_PERIOD | VARCHAR | Enum. Reset period for the entitlement. Can be one of: MONTH, WEEK, DAY, HOUR. |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Unique identifier for the promotional entitlement |
DESCRIPTION | VARCHAR | Description of the promotional entitlement | |
CUSTOMER_ID | VARCHAR | Yes | Associated customer identifier |
FEATURE_ID | VARCHAR | Yes | Identifier for the associated feature |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time of the entitlement |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time of the entitlement |
START_DATE | TIMESTAMP_TZ | Yes | Start date of the promotional entitlement |
END_DATE | TIMESTAMP_TZ | End date of the promotional entitlement | |
USAGE_LIMIT | NUMBER | Usage limit for the entitlement | |
HAS_UNLIMITED_USAGE | BOOLEAN | Indicates if the entitlement has unlimited usage | |
STATUS | VARCHAR | Yes | Enum. Status of the promotional entitlement. Can be one of: Active, Expired, Paused. |
PERIOD | VARCHAR | Yes | Enum. Period of the promotional entitlement. Can be one of: ONE_WEEK, ONE_MONTH, SIX_MONTH, ONE_YEAR, LIFETIME, CUSTOM. |
RESET_PERIOD | VARCHAR | Enum. Reset period for the entitlement. Can be one of: MONTH, WEEK, DAY, HOUR. | |
ENVIRONMENT_ID | VARCHAR | Identifier for the associated environment |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Feature internal identifier |
DISPLAY_NAME | VARCHAR | Yes | Display name of the feature |
FEATURE_ID | VARCHAR | Yes | Feature identifier |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time of the feature |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time of the feature |
FEATURE_UNITS | VARCHAR | Units in which the feature is measured | |
FEATURE_UNITS_PLURAL | VARCHAR | Plural form of the feature units | |
DESCRIPTION | VARCHAR | Description of the feature | |
FEATURE_TYPE | VARCHAR | Yes | Enum. Type of the feature. Can be one of: BOOLEAN, NUMBER. |
METER_TYPE | VARCHAR | Enum. Meter type of the feature. Can be one of: None, Fluctuating, Incremental. | |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
ADDITIONAL_META_DATA | VARCHAR | Additional metadata for the feature |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Entitlement internal identifier |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time of the entitlement |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time of the entitlement |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
CUSTOMER_UUID | VARCHAR | Yes | Customer internal identifier |
CUSTOMER_ID | VARCHAR | Yes | Customer identifier |
RESOURCE_UUID | VARCHAR | Resource internal identifier | |
RESOURCE_ID | VARCHAR | Resource identifier | |
FEATURE_UUID | VARCHAR | Yes | Feature internal identifier |
FEATURE_ID | VARCHAR | Yes | Feature identifier |
IS_DELETED | BOOLEAN | Yes | Indicates whether the entitlement was deleted and is no longer applicable |
CURRENT_USAGE | NUMBER | Current usage of the entitlement | |
USAGE_LIMIT | NUMBER | Usage limit for the entitlement | |
HAS_UNLIMITED_USAGE | BOOLEAN | Indicates if the entitlement has unlimited usage | |
USAGE_PERIOD_ANCHOR | TIMESTAMP_TZ | The anchor for calculating the usage period for metered entitlements with a reset period configured | |
USAGE_PERIOD_START | TIMESTAMP_TZ | The start date of the usage period for metered entitlements with a reset period configured | |
USAGE_PERIOD_END | TIMESTAMP_TZ | The end date of the usage period for metered entitlements with a reset period configured | |
RESET_PERIOD | VARCHAR | Enum. Reset period for the entitlement. Can be one of: MONTH, WEEK, DAY, HOUR. | |
RESET_PERIOD_MONTHLY_ACCORDING_TO | VARCHAR | Enum. Configuration for the monthly reset period. Can be one of: SubscriptionStart, StartOfTheMonth. | |
RESET_PERIOD_WEEKLY_ACCORDING_TO | VARCHAR | Enum. Configuration for the weekly reset period. Can be one of: SubscriptionStart, EverySunday, EveryMonday, EveryTuesday, EveryWednesday, EveryThursday, EveryFriday, EverySaturday. |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Usage measurement internal identifier |
CUSTOMER_ID | VARCHAR | Yes | Customer identifier |
RESOURCE_ID | VARCHAR | Resource identifier | |
FEATURE_ID | VARCHAR | Yes | Feature identifier |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time of the usage measurement |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time of the usage measurement |
VALUE | NUMBER | Yes | Reported usage value reflects a change in usage, i.e., the delta, at the time of the report |
RESET_PERIOD | VARCHAR | Enum. Reset period for the entitlement of the measurement. Can be one of: MONTH, WEEK, DAY, HOUR. | |
PERIOD_START | TIMESTAMP_TZ | Reset period window start time | |
PERIOD_END | TIMESTAMP_TZ | Reset period window end time | |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Usage event internal identifier |
CUSTOMER_ID | VARCHAR | Yes | Customer identifier |
RESOURCE_ID | VARCHAR | Resource identifier | |
EVENT_NAME | VARCHAR | Yes | The name of the event |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation time ingested of the event |
TIMESTAMP | TIMESTAMP_TZ | Yes | The timestamp of the event |
DIMENSIONS | VARCHAR | Yes | Additional dimensions of the event which are used for the filtering and aggregation |
IDEMPOTENCY_KEY | VARCHAR | Yes | The events unique key. |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Coupon internal identifier |
COUPON_ID | VARCHAR | Yes | Coupon identifier |
NAME | VARCHAR | Yes | Coupon name |
DESCRIPTION | VARCHAR | Coupon description | |
BILLING_ID | VARCHAR | Identifier of the coupon in the billing solution that’s integrated with Stigg, i.e. Stripe ID | |
BILLING_LINK_URL | VARCHAR | URL for the coupon entity in the billing solution that’s integrated with Stigg | |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation date and time of the coupon |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update date and time of the coupon |
TYPE | VARCHAR | Yes | Enum. Coupon discount type. Can be one of: FIXED, PERCENTAGE. |
Yes | ⚠️ This field is deprecated, use the PERCENT_OFF and AMOUNTS_OFF | ||
AMOUNTS_OFF | VARCHAR | Fixed price discounts in multiple-currency. List of JSON objects with the following structure: { amount: Float!; currency: String!; } | |
PERCENT_OFF | NUMBER | Percentage off discount | |
STATUS | VARCHAR | Yes | Enum. Coupon status. Can be one of: ACTIVE , ARCHIVED . |
ADDITIONAL_META_DATA | VARCHAR | Additional metadata | |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Internal identifier |
INTEGRATION_ID | VARCHAR | Yes | Integration identifier |
CREATED_AT | TIMESTAMP_TZ | Yes | Creation timestamp |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update timestamp |
VENDOR_IDENTIFIER | VARCHAR | Yes | Vendor type, for example: Stripe, Salesforce, etc. |
IS_DEFAULT | BOOLEAN | No | Indicates whether this is the default integration of that type |
DELETED_AT | TIMESTAMP_TZ | No | Deletion timestamp (if applicable) |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Internal identifier |
VENDOR_IDENTIFIER | VARCHAR | Yes | Vendor type, for example: Stripe, Salesforce, etc. |
CUSTOMER_ID | VARCHAR | Yes | The customer ID |
SYNCED_ENTITY_ID | VARCHAR | Yes | The ID of the customer in the third-party integration |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update timestamp |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Internal identifier |
VENDOR_IDENTIFIER | VARCHAR | Yes | Vendor type, for example: Stripe, Salesforce, etc. |
SUBSCRIPTION_ID | VARCHAR | Yes | The subscription ID |
SYNCED_ENTITY_ID | VARCHAR | Yes | The ID of the subscription in the third-party integration |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update timestamp |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Internal identifier |
VENDOR_IDENTIFIER | VARCHAR | Yes | Vendor type, for example: Stripe, Salesforce, etc. |
PLAN_ID | VARCHAR | Yes | The plan ID |
SYNCED_ENTITY_ID | VARCHAR | Yes | The ID of the plan in the third-party integration |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update timestamp |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Internal identifier |
VENDOR_IDENTIFIER | VARCHAR | Yes | Vendor type, for example: Stripe, Salesforce, etc. |
ADDON_ID | VARCHAR | Yes | The add-on ID |
SYNCED_ENTITY_ID | VARCHAR | Yes | The ID of the add-on in the third-party integration |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update timestamp |
Column | Type | Mandatory | Description |
---|---|---|---|
ID | VARCHAR | Yes | Internal identifier |
VENDOR_IDENTIFIER | VARCHAR | Yes | Vendor type, for example: Stripe, Salesforce, etc. |
COUPON_ID | VARCHAR | Yes | The coupon ID |
SYNCED_ENTITY_ID | VARCHAR | Yes | The ID of the add-on in the third-party integration |
ENVIRONMENT_ID | VARCHAR | Yes | Identifier for the associated environment |
UPDATED_AT | TIMESTAMP_TZ | Yes | Last update timestamp |