Actions & Filters

Action hooks

Fire your own code when WPLM events happen.

Action	When / Args
`wplm_license_created`	After a license is created. `(License $license)`
`wplm_license_status_changed`	After any status change. `(License, int $old, int $new)`
`wplm_license_revoked`	After revoke. `(License)`
`wplm_license_terminated`	After terminate. `(License)`
`wplm_machine_activated`	After device activation. `(Machine, License)`
`wplm_machine_deactivated`	After deactivation. `(Machine, License)`
`wplm_machine_revoked`	After a device is revoked. `(Machine)`
`wplm_heartbeat_received`	On each device ping. `(Machine)`
`wplm_zombie_culled`	When cron deactivates a dead machine. `(Machine)`
`wplm_anomaly_detected`	When an anomaly flag fires. `(License, string $type, $detail)`
`wplm_order_licenses_issued`	After a WooCommerce order delivers keys. `(int $order_id, License[])`
`wplm_subscription_created`	After a subscription is created. `(Subscription)`
`wplm_subscription_status_changed`	After a status change. `(Subscription, string $old, string $new)`
`wplm_subscription_renewed`	After a successful renewal. `(Subscription, Renewal)`
`wplm_subscription_payment_failed`	On a failed renewal attempt. `(Subscription, int $attempt)`
`wplm_subscription_payment_failed_final`	After dunning exhausts retries. `(Subscription)`
`wplm_subscription_switched`	After an upgrade/downgrade. `(Subscription, $from, $to)`
`wplm_subscription_cancelled`	After cancellation. `(Subscription)`

add_action( 'wplm_license_created', function ( $license ) {
    // sync to your CRM, etc.
} );

These same actions drive webhooks — registered endpoints receive a notification for each one.

Filter	Purpose
`wplm_generated_key_string`	Modify a freshly generated key before save.
`wplm_validation_response`	Modify the `/validate` response payload.
`wplm_rest_request_valid`	Inject custom REST request validation (allow/deny).
`wplm_default_max_activations`	Override the default seat count.
`wplm_heartbeat_interval`	Override the heartbeat interval (seconds).
`wplm_zombie_window`	Override the dead-machine cull window (seconds).
`wplm_resolve_geo`	Provide IP→country resolution.
`wplm_list_table_columns`	Add/modify license list-table columns.
`wplm_email_license_keys`	Customise the key-delivery email body.
`wplm_subscription_next_payment`	Override the computed next-payment date.
`wplm_dunning_retry_schedule`	Customise failed-payment retry offsets (days).
`wplm_switch_proration`	Customise proration math on a plan switch.
`wplm_subscription_email_content`	Customise any subscription email body.
`wplm_webhook_payload`	Modify a webhook payload before delivery.