# MetricsCrc Retrieve CRC Port Usage Get CRC Port usage hour by hour for a specified time period <aside class='notice'>We will report a maximum of one month. For example, if "from" is set to "2017-08-05" and "to" is "2017-10-10" we will adjust "from" to "2017-09-10"</aside>. - Catalog: `Zoom` - Schema: `Dashboards` - Select Zoom API URL: `/metrics/crc` - Insert Zoom API URL: `/metrics/crc` - Update Zoom API URL: `/metrics/crc` - Delete Zoom API URL: `/metrics/crc` - Field Selection Method: NotRequired - Base Path: `crc_ports_usage[*]` - Select Zoom API Operation: `get /metrics/crc` This is a read-only table function. The Zoom API may not support changing the data or the Invantive SQL driver for Zoom does not cover it. In the latter case, please use the table NativePlatformScalarRequests to upload data to the Zoom API. ## Parameters of Table Function | Name | Data Type | Required | Default Value | Documentation | |---|:---:|:---:|:---:|---| | `from` | `datetime` | ☑ | | Start Date | | `to` | `datetime` | ☑ | | End Date | ## Columns of Table Function The columns of the table function `MetricsCrc` are shown below. Each column has an SQL data type. | Name | Data Type | Label | Required | Documentation | |---|:---:|---|:---:|---| | `date_time` | `string` | | ☐ | Date and time |