List Grids

GET /policies/{policyId}/grids

Returns every interfaceDocumentsSourceBlock that the caller's role can reach in the policy, together with its filter and column schemas. Use this to discover available grids without reading the internal policy block tree.

---

Authentication

Requires a valid Guardian JWT bearer token. The caller must hold at least one of:

• POLICIES_POLICY_EXECUTE
• POLICIES_POLICY_MANAGE

---

Request

Path Parameters

Parameter	Type	Required	Description
policyId	string	Yes	MongoDB ObjectId of the running policy

---

Response

Success Response

Status: 200 OK

[
  {
    "gridId": "installer_documents_grid",
    "title": "Installer Activity Reports",
    "description": "Documents submitted by installers",
    "filterSchema": [
      {
        "filterId": "date_filter",
        "title": "Date",
        "type": "datepicker",
        "field": "document.credentialSubject.0.reportingPeriod",
        "operators": ["eq"]
      }
    ],
    "columnSchema": [
      {
        "name": "status",
        "title": "Status",
        "type": "text",
        "bindActions": ["approve_action", "reject_action"]
      }
    ]
  }
]

Field	Type	Description
gridId	string	Stable grid identifier — the block's .tag, or sha256(uuid).slice(0,16) fallback
title	string	Display title from the block's UI metadata
description	string	Optional description from the block's UI metadata
filterSchema	array	Filter addons configured on this grid
filterSchema[].filterId	string	Stable filter identifier
filterSchema[].title	string	Display label
filterSchema[].type	string	Input type: dropdown, datepicker, or input
filterSchema[].field	string	Document field the filter targets
filterSchema[].operators	array	Operator(s) configured for this filter (e.g. ["eq"])
columnSchema	array	Columns defined on the grid
columnSchema[].name	string	Field name
columnSchema[].title	string	Display label
columnSchema[].type	string	Column data type
columnSchema[].bindActions	array	Action tags bound to this column

Error Responses

Status	Description
401 Unauthorized	JWT token missing or invalid
403 Forbidden	Insufficient permissions
503 Service Unavailable	Policy instance not running
500 Internal Server Error	Unexpected server failure