# Durable Workflow > Laravel-native durable workflows for long-running PHP applications. This file is a curated markdown index for LLMs. Use the sections below for targeted source documents, or use the optional full bundle when you want the entire documentation set in one file. Each link includes frontmatter descriptions and discoverability topics when the source page provides them. Prefer those notes to pick the smallest relevant page before falling back to the full bundle. ## Core Docs - [Introduction](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/introduction.md) - [Installation](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/installation.md) - [Sample App](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/sample-app.md) - [Testing](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/testing.md) - [Failures and Recovery](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/failures-and-recovery.md) - [How It Works](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/how-it-works.md) - [Monitoring](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/monitoring.md) ## Defining Workflows - [Workflows](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/defining-workflows/workflows.md) - [Activities](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/defining-workflows/activities.md) - [Starting Workflows](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/defining-workflows/starting-workflows.md) - [Passing Data](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/defining-workflows/passing-data.md) - [Workflow Status](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/defining-workflows/workflow-status.md) - [Workflow ID](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/defining-workflows/workflow-id.md) ## Features - [Signals](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/signals.md) - [Queries](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/queries.md) - [Timers](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/timers.md) - [Signal + Timer](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/signal+timer.md) - [Side Effects](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/side-effects.md) - [Heartbeats](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/heartbeats.md) - [Child Workflows](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/child-workflows.md) - [Concurrency](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/concurrency.md) - [Sagas](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/sagas.md) - [Events](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/events.md) - [Webhooks](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/webhooks.md) - [Continue As New](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/continue-as-new.md) - [Versioning](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/features/versioning.md) ## Configuration - [Publishing Config](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/configuration/publishing-config.md) - [Options](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/configuration/options.md) - [Ensuring Same Server](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/configuration/ensuring-same-server.md) - [Database Connection](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/configuration/database-connection.md) - [Microservices](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/configuration/microservices.md) - [Pruning Workflows](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/configuration/pruning-workflows.md) ## Constraints - [Overview](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/constraints/overview.md) - [Idempotent vs. Deterministic Workflows: What's the Difference?](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/constraints/idempotent-vs-deterministic.md): Compare idempotent vs. deterministic behavior, why workflow code must be deterministic, and why retried activities and side effects must be idempotent. Topics: constraints, determinism, idempotency, replay, idempotent vs deterministic, idempotency vs determinism - [Workflow Constraints](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/constraints/workflow-constraints.md) - [Activity Constraints](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/constraints/activity-constraints.md) - [Constraints Summary](https://raw.githubusercontent.com/durable-workflow/durable-workflow.github.io/main/versioned_docs/version-1.x/constraints/constraints-summary.md): What workflow and activity code may do. ## Optional - [Durable Workflow full documentation bundle](https://durable-workflow.com/llms-full.txt): Single-file bundle of the complete documentation set.