# Http Request Block

This block for retrieving information from outside (3rd party) services via HTTP requests

## Properties

| Property Name    | Description                                                                       | Example                   |
| ---------------- | --------------------------------------------------------------------------------- | ------------------------- |
| Tag              | Unique name for the logic block.                                                  | Http\_Block               |
| Permissions      | Which entity has rights to interact at this part of the workflow.                 | Standard Registry         |
| Default Active   | Shows whether this block is active at this time and whether it needs to be shown. | Checked or Unchecked      |
| Stop Propagation | End processing here, don't pass control to the next block.                        | Checked or Unchecked      |
| On Errors        | Called if the system error has occurs in the Block                                | No Entry/Retry            |
| URL              | URL of the external service end point                                             | <http://localhost:8080>   |
| Method           | HTTP method of the request                                                        | GET/POST/DELETE/PUT/PATCH |
| Body             | Body of the HTTP request                                                          | $(document)               |
| Headers          | Additional HTTP headers (can be used for authentication purposes)                 | Bearer $(document).Source |

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## 2. Dynamic Variables

The values of the URL, Body and Header parameters  can contain variables of the format ${variable}.

Possible values are as follows:

* “did” – DID of the current user
* “username” – name of the current user
* “document” or “documents” – a single document or an array of document correspondingly, which have been passed to the block on entry