ga4_get_custom_definitions

List custom dimensions and custom metrics exposed by GA4 Data API metadata. One of 27 Google Analytics 4 tools on the Get MCP Ads MCP gateway.

List custom dimensions and custom metrics exposed by GA4 Data API metadata. Read-only fallback for custom definition inventory.

ParametersLink to this section

Name	Type	Required	Notes
`propertyId`	string	Required	GA4 property ID (numeric, e.g., 123456789)

jsonThrough run_tool, since it is not announced

{
  "name": "run_tool",
  "arguments": {
    "name": "ga4_get_custom_definitions",
    "args": {
      "propertyId": "<string>"
    }
  }
}