Update Element: Updates a ClearPoint element (objective, measure, initiative, milestone, actionItem, risk, or scorecard) for a specific reporting period. To edit an element for all reporting periods, use the mcpEditElement endpoint. Provide the element type as 'object' and the element ID as 'objectId', and the reporting period ID as 'periodId' in the query string. Provide the fields to update in the request body as a JSON object.