Policy Workflow Wrap Up

//Policy logic starts with block 1.
{
  //blockType - the type of the block:
  //  "InterfaceContainerBlock" - a block which contains and organizes other blocks.
  //  First block should always be of the "InterfaceContainerBlock" type.
  "blockType": "InterfaceContainerBlock",
  //defaultActive shows whether this block is active at this time and whether it needs to be shown.
  "defaultActive": true,
  //permissions - users with these roles are allowed to interact with the block. Can contain the following values:
  //  "OWNER" = creator of the Policy.
  //  "NO_ROLE" = users without a role.
  //  "ANY_ROLE" = users with any role.
  //  "INSTALLER" = only users with a particular role (in this case - INSTALLER).
  "permissions": [
    // As per above, this block is accessible to all users (with any role).
    "ANY_ROLE"
  ],
  //uiMetaData - additional options which don't affect the behavior of the block but are needed for rendering.
  "uiMetaData": {
    //type - block UI behavior, can contain the following values:
    //  "blank" - does not contain any frame, will render all child elements one after the other.
    //  "tabs" - a container which has a tab for each of the child element. It will render the first child element as type "blank".
    "type": "blank"
  },
  //children - list of child blocks in a container block.
  "children": [
    //First policy step - select a role.
    {
      //"PolicyRolesBlock" - block which determines a role for the user.
      "blockType": "PolicyRolesBlock",
      //"tag" - a unique (for the Policy) textual tag for the block which can be used in other blocks for linking.
      "tag": "choose_role",
      //Non ContainerBlock do not contain child elements. They can exist but they are ignored for rendering.
      "children": [],
      "uiMetaData": {
        //html component has title and descriptions, which can be specified in the corresponding elements.
        "title": "registration",
        "description": "choose a role"
      },
      "permissions": [
        //Only users with no roles assigned can access the block.
        "NO_ROLE"
      ],
      //This block is active
      "defaultActive": true,
      //"roles" - available roles from which the user can choose.
      "roles": [
        //In this case the user can only be the INSTALLER.
        "INSTALLER"
      ]
    },
    // After the role is selected the corresponding branch in the policy will become accessible for the user.
    {
      //"InterfaceStepBlock" - similar to the InterfaceContainerBlock, with the difference that it can only render a single child element.
      //Rendered component is determined by the current step.
      //An event on a component automatically passes control to the next component.
      "blockType": "InterfaceStepBlock",
      "defaultActive": true,
      "tag": "init_installer_steps",
      "permissions": [
        //This block is only accessible to users with the INSTALLER role.
        "INSTALLER"
      ],
      "uiMetaData": {
        //Currently there is only one type - "blank".
        //Only 1 active block is rendered.
        "type": "blank"
      },
      "children": [
        //First step after the selection of the INSTALLER roles is to fill out the VC form.
        {
          //"requestVcDocumenBlock" - a type of the block which creates a form from the schema, and sends the document to the server.
          "blockType": "requestVcDocumentBlock",
          "tag": "add_new_installer_request",
          "defaultActive": true,
          "permissions": [
            "INSTALLER"
          ],
          //"schema" - uuid of the schema, which will be used to build the form.
          "schema": "1a5347ba-5e5f-49a7-8734-3dcc953a03ed",
          //"idType" - when the documents is saved it would automatically get an ID.
          // In this example the document ID would be the DID of the current user.
          // Can be one of these values:
          //   "UUID" - new uuid.
          //   "DID" - new DID.
          //   "OWNER" - DID of the current user.
          "idType": "OWNER",
          "uiMetaData": {
            //"type" - style of the render of the form, one of these values:
            //  "page" - the form is rendered as a page.
            //  "dialog" - displays a button, which opens a dialogue with the form when clicked.
            "type": "page",
            // The page contains title and description, as well as the form.
            "title": "New Installer",
            "description": "Description"
          }
        },
        // Next step is to save it in the DB.
        {
          //"sendToGuardianBlock" - a type of the block which can save a new or updated document.
          //This block does not contain defaultActive and does not render, only relevant on the server side.
          "blockType": "sendToGuardianBlock",
          "tag": "save_new_approve_document",
          //"dataType" - where to save the document, possible values:
          //  "approve" - approve DB table.
          //  "vc-documents" - vc-documents DB table.
          //  "did-documents" - did-documents DB table.
          //  "hedera" - document would be sent to the corresponding Policy topic in Hedera.
          // In this example VC would be stored in a approve table, waiting for approval.
          "dataType": "approve",
          //"entityType" - mark the document in the DB. Needed for filtering.
          "entityType": "Installer",
          //"stopPropagation" - end processing here, don't pass control to the next block.
          "stopPropagation": false,
          "uiMetaData": {}
        },
        // Notify the user after submitting the request for approval.
        {
          //"InformationBlock" - block type which can display a notification or a progress bar.
          "blockType": "InformationBlock",
          "tag": "wait_fo_approve",
          "children": [],
          "uiMetaData": {
            //"type" - notification type, possible values:
            //  "text" - textual message.
            //  "loader" - progress bar.
            "type": "text",
            // Set title and description for the page, only if the "type" is "text".
            "title": "Waiting for approval",
            "description": "Waiting for approval"
          },
          "permissions": [
            "INSTALLER"