# Get started

- [Learn Langstack](https://docs.langstack.com/welcome/get-started/learn-langstack.md): In this training manual, learn to work with Langstack through hands on examples.
- [Introduction to Langstack](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-langstack.md): Get acquainted with Langstack to start learning.
- [Application templates](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-langstack/application-templates.md)
- [Storage frameworks](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-langstack/storage-frameworks.md)
- [Account administration](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-langstack/account-administration.md)
- [Basics and essentials](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials.md): Learn the basics of Langstack.
- [What is an API gateway?](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-an-api-gateway.md)
- [How to work with an API gateway](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/how-to-work-with-an-api-gateway.md)
- [What is an Entity?](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-an-entity.md)
- [What is an Action box?](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-an-action-box.md)
- [How to create and work with Action boxes](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-an-action-box/how-to-create-and-work-with-action-boxes.md)
- [How to perform search in Actions](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-an-action-box/how-to-perform-search-in-actions.md)
- [What is an Action?](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-an-action.md)
- [How to create and work with Actions](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-an-action/how-to-create-and-work-with-actions.md)
- [Error propagation](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-an-action/error-propagation.md)
- [Actions in Langstack applications](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-an-action/actions-in-langstack-applications.md): Get to know the Actions that can be added and defined in Langstack applications.
- [What is a Data type?](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-a-data-type.md)
- [Simple Data types](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-a-data-type/simple-data-types.md)
- [What is a Variable?](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-a-variable.md)
- [Naming rules of a Variable](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-a-variable/naming-rules-of-a-variable.md)
- [What is a Function?](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-a-function.md)
- [Working with Functions](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/what-is-a-function/working-with-functions.md)
- [Navigating to a Variable or a Function](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/navigating-to-a-variable-or-a-function.md)
- [Implicit Type Conversion (ITC)](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/implicit-type-conversion-itc.md)
- [Explicit Type Conversion](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/explicit-type-conversion.md)
- [Implicit and Explicit Type Conversion for Json](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/implicit-and-explicit-type-conversion-for-json.md)
- [Next Steps](https://docs.langstack.com/welcome/get-started/learn-langstack/basics-and-essentials/next-steps.md)
- [User management](https://docs.langstack.com/welcome/get-started/learn-langstack/user-management.md): Get hands on with creating and managing users’ rights and privileges Langstack.
- [What is a Privilege?](https://docs.langstack.com/welcome/get-started/learn-langstack/user-management/what-is-a-privilege.md)
- [What are Groups?](https://docs.langstack.com/welcome/get-started/learn-langstack/user-management/what-are-groups.md)
- [What are Users?](https://docs.langstack.com/welcome/get-started/learn-langstack/user-management/what-are-users.md)
- [Introduction to REST API](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api.md): Get to know the key elements of working with REST APIs with a step-by-step example.
- [API Name](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/api-name.md)
- [API Group name](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/api-group-name.md)
- [Request and Response body](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/request-and-response-body.md)
- [Request body](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/request-and-response-body/request-body.md)
- [How to create and work with a Request body](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/request-and-response-body/how-to-create-and-work-with-a-request-body.md)
- [Response body](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/request-and-response-body/response-body.md)
- [How to create and work with a Response body](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/request-and-response-body/how-to-create-and-work-with-a-response-body.md)
- [Query strings](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/query-strings.md)
- [How to create and work with Query strings](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/query-strings/how-to-create-and-work-with-query-strings.md)
- [Headers](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/headers.md)
- [How to create and work with Headers](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/headers/how-to-create-and-work-with-headers.md)
- [Path parameter](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/path-parameter.md)
- [Create your first API: "Hello World!"](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/create-an-api.md): Get started with hands-on experience by building your first API, "Hello World!".
- [Working with API options](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/create-an-api/working-with-api-options.md)
- [Exercise 1: GET REST API & Return Response Object](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/exercise-1-get-rest-api-and-return-response-object.md)
- [Step 1: Create API](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/exercise-1-get-rest-api-and-return-response-object/step-1-create-api.md)
- [Step 2: Test the API](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/exercise-1-get-rest-api-and-return-response-object/step-2-test-the-api.md)
- [Exercise 2: Delete a published API](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/exercise-2-delete-a-published-api.md): In this exercise, delete an existing API.
- [Next Steps](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-rest-api/next-steps.md)
- [Introduction to Entities](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities.md): Learn about Entities and relevant concepts through detailed examples.
- [Fields](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/fields.md)
- [Records](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/records.md)
- [Relations](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/relations.md)
- [Options for an Entity](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/options-for-an-entity.md)
- [Exercise 1: Customer Accounts and Activities](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-1-customer-accounts-and-activities.md): In this exercise, store customer and related activities details.
- [Customer accounts](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-1-customer-accounts-and-activities/customer-accounts.md)
- [Step 1: Create the Customers Entity](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-1-customer-accounts-and-activities/customer-accounts/step-1-create-the-customers-entity.md)
- [Step 2: Create the API](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-1-customer-accounts-and-activities/customer-accounts/step-2-create-the-api.md)
- [Step 3: Update entity through API](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-1-customer-accounts-and-activities/customer-accounts/step-3-update-entity-through-api.md)
- [Customer Activities](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-1-customer-accounts-and-activities/customer-activities.md)
- [Step 1: Create the Activities entity](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-1-customer-accounts-and-activities/customer-activities/step-1-create-the-activities-entity.md)
- [Step 2: Create a “1 to Many” relation](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-1-customer-accounts-and-activities/customer-activities/step-2-create-a-1-to-many-relation.md)
- [Step 3: Create the API](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-1-customer-accounts-and-activities/customer-activities/step-3-create-the-api.md)
- [Step 4: Update entity through API](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-1-customer-accounts-and-activities/customer-activities/step-4-update-entity-through-api.md)
- [Exercise 2: Customer Records](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-2-customer-records.md): In this exercise, retrieve customer information.
- [Step 1: Create the API](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-2-customer-records/step-1-create-the-api.md)
- [Step 2: Test the API](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/exercise-2-customer-records/step-2-test-the-api.md)
- [Next Steps](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-entities/next-steps.md)
- [Programming with Entities](https://docs.langstack.com/welcome/get-started/learn-langstack/entities-crud-operations-from-api.md): Use Actions to perform CRUD (Create, Read, Update, Delete) operations on data in Entities.
- [Create](https://docs.langstack.com/welcome/get-started/learn-langstack/entities-crud-operations-from-api/create.md): The action related to the "Create" operation is as follows.
- [Read](https://docs.langstack.com/welcome/get-started/learn-langstack/entities-crud-operations-from-api/read.md): To read records in an entity, users can define any of the following Actions depending on the data required.
- [Update](https://docs.langstack.com/welcome/get-started/learn-langstack/entities-crud-operations-from-api/update.md)
- [Delete](https://docs.langstack.com/welcome/get-started/learn-langstack/entities-crud-operations-from-api/delete.md)
- [JXPResponse](https://docs.langstack.com/welcome/get-started/learn-langstack/entities-crud-operations-from-api/jxpresponse.md)
- [Next Steps](https://docs.langstack.com/welcome/get-started/learn-langstack/entities-crud-operations-from-api/next-steps.md)
- [Using Triggers](https://docs.langstack.com/welcome/get-started/learn-langstack/using-triggers.md): Get acquainted with creating Triggers for data in Entities.
- [After Create Trigger](https://docs.langstack.com/welcome/get-started/learn-langstack/using-triggers/after-create-trigger.md)
- [After Update Trigger](https://docs.langstack.com/welcome/get-started/learn-langstack/using-triggers/after-update-trigger.md)
- [After Delete Trigger](https://docs.langstack.com/welcome/get-started/learn-langstack/using-triggers/after-delete-trigger.md)
- [Exercise: Entity & Entity triggers](https://docs.langstack.com/welcome/get-started/learn-langstack/using-triggers/exercise-entity-and-entity-triggers.md): Synchronize DayMonthJoinDate column with Join\_Date.
- [Step 1: Define “After Create” Trigger](https://docs.langstack.com/welcome/get-started/learn-langstack/using-triggers/step-1-define-after-create-trigger.md)
- [Step 2: Define “After Update” Trigger](https://docs.langstack.com/welcome/get-started/learn-langstack/using-triggers/step-2-define-after-update-trigger.md)
- [Connectors](https://docs.langstack.com/welcome/get-started/learn-langstack/connectors.md): Take a walk through the concepts of connectors.
- [Create a connector](https://docs.langstack.com/welcome/get-started/learn-langstack/connectors/create-a-connector.md)
- [SFTP Connector](https://docs.langstack.com/welcome/get-started/learn-langstack/connectors/sftp-connector.md)
- [MySQL Connector](https://docs.langstack.com/welcome/get-started/learn-langstack/connectors/mysql-connector.md)
- [Next Steps](https://docs.langstack.com/welcome/get-started/learn-langstack/connectors/next-steps.md)
- [Introduction to ETL pipeline](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline.md): Get to know how the ETL pipeline performs using Connectors.
- [Create an ETL pipeline](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/create-an-etl-pipeline.md)
- [Data Formats in ETL pipeline](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/data-formats-in-etl-pipeline.md)
- [Reader](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/data-formats-in-etl-pipeline/reader.md)
- [Writer](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/data-formats-in-etl-pipeline/writer.md)
- [Field mapping](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/data-formats-in-etl-pipeline/field-mapping.md)
- [Shared variables for ETL pipeline](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/shared-variables-for-etl-pipeline.md)
- [ETL functions execution sequences overview](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/etl-functions-execution-sequences-overview.md)
- [Displaying Functions](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/displaying-functions.md)
- [How to perform Search in ETL pipeline](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/how-to-perform-search-in-etl-pipeline.md)
- [Exercise 1: Skip Customer records](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/exercise-1-skip-customer-records.md)
- [Step 1: Create the ETL pipeline](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/exercise-1-skip-customer-records/step-1-create-the-etl-pipeline.md)
- [Step 2: Skip records based on Customer\_ID](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/exercise-1-skip-customer-records/step-2-skip-records-based-on-customer_id.md)
- [Step 3: Store skipped records in a list](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/exercise-1-skip-customer-records/step-3-store-skipped-records-in-a-list.md)
- [Step 4: Store the Skipped Customer record](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/exercise-1-skip-customer-records/step-4-store-the-skipped-customer-record.md)
- [Exercise 2: ETL pipeline, CSV source & FTP Connector](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/exercise-2-etl-pipeline-csv-source-and-ftp-connector.md)
- [Exercise 3: ETL pipeline, Database Source & MySQL Connector](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/exercise-3-etl-pipeline-database-source-and-mysql-connector.md)
- [Exercise 4: ETL pipeline, CSV Source & FTP Connector using Sections](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/exercise-4-etl-pipeline-csv-source-and-ftp-connector-using-sections.md)
- [Step 1: Create the ETL pipeline](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/exercise-4-etl-pipeline-csv-source-and-ftp-connector-using-sections/step-1-create-the-etl-pipeline.md)
- [Step 2: Reformat the Join\_Date Values and define added fields](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-etl-pipeline/exercise-4-etl-pipeline-csv-source-and-ftp-connector-using-sections/step-2-reformat-the-join_date-values-and-define-added-fields.md)
- [Multiple Executions, Time Duration, Linked App and Execution Status](https://docs.langstack.com/welcome/get-started/learn-langstack/multiple-executions-time-duration-linked-app-and-execution-status.md): Get familiar with multiple executions, time duration, Linked App and Execution Status for ETL pipeline and Process templates.
- [Skip execution while in progress](https://docs.langstack.com/welcome/get-started/learn-langstack/multiple-executions-time-duration-linked-app-and-execution-status/skip-execution-while-in-progress.md)
- [Time duration settings](https://docs.langstack.com/welcome/get-started/learn-langstack/multiple-executions-time-duration-linked-app-and-execution-status/time-duration-settings.md)
- [Linked App](https://docs.langstack.com/welcome/get-started/learn-langstack/multiple-executions-time-duration-linked-app-and-execution-status/linked-app.md)
- [Options for Delay Types](https://docs.langstack.com/welcome/get-started/learn-langstack/multiple-executions-time-duration-linked-app-and-execution-status/options-for-delay-types.md)
- [Execution status](https://docs.langstack.com/welcome/get-started/learn-langstack/multiple-executions-time-duration-linked-app-and-execution-status/execution-status.md)
- [Validation pipeline](https://docs.langstack.com/welcome/get-started/learn-langstack/validation-pipeline.md): Grasp the general concepts, set up and working of the Validation pipeline with reference to Entities.
- [Sequence of Validation pipeline](https://docs.langstack.com/welcome/get-started/learn-langstack/validation-pipeline/sequence-of-validation-pipeline.md)
- [Exercise: Customer Information](https://docs.langstack.com/welcome/get-started/learn-langstack/validation-pipeline/exercise-customer-information.md): In this exercise, store validated customer information.
- [Step 1: Create a Validation pipeline](https://docs.langstack.com/welcome/get-started/learn-langstack/validation-pipeline/exercise-customer-information/step-1-create-a-validation-pipeline.md)
- [Step 2: Create the API gateway](https://docs.langstack.com/welcome/get-started/learn-langstack/validation-pipeline/exercise-customer-information/step-2-create-the-api-gateway.md)
- [Step 3: Test the Validation pipeline](https://docs.langstack.com/welcome/get-started/learn-langstack/validation-pipeline/exercise-customer-information/step-3-test-the-validation-pipeline.md)
- [Introduction to Process](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-process.md): Learn to create and work with back-end processes using the Process application template.
- [Create a process](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-process/create-a-process.md)
- [Shared variables for a process](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-process/shared-variables-for-a-process.md)
- [Exercise: Customer Anniversary Email Activity](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-process/exercise-customer-anniversary-email-activity.md): In this exercise, schedule storing records for customer anniversary emails.
- [Step 1: Check if the join date matches the current date](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-process/exercise-customer-anniversary-email-activity/step-1-check-if-the-join-date-matches-the-current-date.md)
- [Step 2: Test the Process](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-process/exercise-customer-anniversary-email-activity/step-2-test-the-process.md)
- [Introduction to Flows & Flow components](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components.md): Create and deploy automated activities with Flows using Flow components.
- [What is a Flow?](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/what-is-a-flow.md)
- [What is a Flow component?](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/what-is-a-flow-component.md)
- [What is a Flow component Event?](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/what-is-a-flow-component/what-is-a-flow-component-event.md)
- [Exercise 1: Customer Anniversary Email](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/exercise-1-customer-anniversary-email.md)
- [Step 1: Create the Flow component](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/exercise-1-customer-anniversary-email/step-1-create-the-flow-component.md)
- [Step 2: Create the Flow](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/exercise-1-customer-anniversary-email/step-2-create-the-flow.md)
- [Step 3: Trigger the Flow](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/exercise-1-customer-anniversary-email/step-3-trigger-the-flow.md)
- [Step 4: Check records in the target entity](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/exercise-1-customer-anniversary-email/step-4-check-records-in-the-target-entity.md)
- [Exercise 2: Store list of customers](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/exercise-2-store-list-of-customers.md)
- [Step 1: Create the Flow component](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/exercise-2-store-list-of-customers/step-1-create-the-flow-component.md)
- [Step 2: Create the Flow](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/exercise-2-store-list-of-customers/step-2-create-the-flow.md)
- [Step 3: Create the API](https://docs.langstack.com/welcome/get-started/learn-langstack/introduction-to-flows-and-flow-components/exercise-2-store-list-of-customers/step-3-create-the-api.md)
- [Tour of Langstack (coming soon)](https://docs.langstack.com/welcome/get-started/tour-of-langstack-coming-soon.md)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.langstack.com/welcome/get-started.md?ask=<question>
```

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The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.