# Get all Mainframe Dataset rulesets

Endpoint: GET /mainframe-dataset-rulesets
Version: 5.1.41
Security: api_key

## Query parameters:

  - `environment_id` (integer)
    The ID of the environment to get all Mainframe Dataset rulesets from

  - `page_number` (integer)
    The page number for which to get Mainframe Dataset rulesets. This will default to the first page if excluded

  - `page_size` (integer)
    The maximum number of objects to return. This will default to the DefaultApiPageSize setting if not provided

## Response default fields (application/json):

  - `_pageInfo` (object)

  - `_pageInfo.numberOnPage` (integer)
    The number of items on this page. This should always match the page size unless it is the last page.

  - `_pageInfo.total` (integer)
    The total number of items

  - `responseList` (array)
    Example: [{"rulesetName":"Rule123","mainframeDatasetConnectorId":1}]

  - `responseList.mainframeDatasetRulesetId` (integer)
    The ID of the Mainframe Dataset ruleset. This field is set by the Masking Engine.

  - `responseList.rulesetName` (string, required)
    The name of the ruleset. This must be unique within an environment.
    Example: "Rule123"

  - `responseList.mainframeDatasetConnectorId` (integer, required)
    The ID of the Mainframe Dataset Connector that this ruleset corresponds to. Note that the ruleset will be created on the same environment as its connector.
    Example: 1