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Design concepts
Learn about HCL Link services, projects, flows, maps and schemas.
Files
Files are used in various places within HCL Link. HCL Link allows files to be uploaded to the HCL Linkserver.

Design concepts
Learn about HCL Link services, projects, flows, maps and schemas.
- Introduction
  The documentation provided here defiens the main artifacts in HCL Link. It is necessar to understand what these artifacts are and the relationship between them.
- Services
  Service definitions define REST services and the endpoints of a service.
- Projects
  A project is a container for HCL Link artifacts.
- Flows
  A HCL Link flow is a transactional data flow comprised of processing nodes.
- Maps
  A HCL Link map defines how to generate data that complies to a specific schema. A map can have any number of inputs and outputs.
- Schemas
  Schemas specify the format of data witin HCL Link maps and flows.
- Connections and Actions
  This documentation describes connections and actions.
- Files
  Files are used in various places within HCL Link. HCL Link allows files to be uploaded to the HCL Linkserver.
- Flow variables
  Flow variables provide a means of passing information throughout a flow instance without requiring that the information to be passed through data links. flow variables are name-value pairs that persist, unless deleted.
- Cache variables
  Cache variables provide a means of processing information throughout a flow instance without requiring that the information to be passed through data links.

Files

Files are used in various places within HCL Link. HCL Link allows files to be uploaded to the HCL Linkserver.

After they are uploaded, files can be referenced from flows, maps, connections and actions.