| `name` | string | **Yes** | | Name of variable |
| `type` | string | **Yes** | | Dashboard variable type<br/>`query`: Query-generated list of values such as metric names, server names, sensor IDs, data centers, and so on.<br/>`adhoc`: Key/value filters that are automatically added to all metric queries for a data source (Prometheus, Loki, InfluxDB, and Elasticsearch only).<br/>`constant`: Define a hidden constant.<br/>`datasource`: Quickly change the data source for an entire dashboard.<br/>`interval`: Interval variables represent time spans.<br/>`textbox`: Display a free text input field with an optional default value.<br/>`custom`: Define the variable options manually using a comma-separated list.<br/>`system`: Variables defined by Grafana. See: https://grafana.com/docs/grafana/latest/dashboards/variables/add-template-variables/#global-variables<br/>Possible values are: `query`, `adhoc`, `constant`, `datasource`, `interval`, `textbox`, `custom`, `system`. |
| `allValue` | string | No | | Custom all value |
| `current` | [VariableOption](#variableoption) | No | | Option to be selected in a variable. |
| `datasource` | [DataSourceRef](#datasourceref) | No | | Ref to a DataSource instance |
| `description` | string | No | | Description of variable. It can be defined but `null`. |
| `hide` | integer | No | | Determine if the variable shows on dashboard<br/>Accepted values are 0 (show label and value), 1 (show value only), 2 (show nothing).<br/>Possible values are: `0`, `1`, `2`. |
| `includeAll` | boolean | No | `false` | Whether all value option is available or not |
| `label` | string | No | | Optional display name |
| `multi` | boolean | No | `false` | Whether multiple values can be selected or not from variable value list |
| `options` | [VariableOption](#variableoption)[] | No | | Options that can be selected for a variable. |
| `query` | | No | | Query used to fetch values for a variable |
| `refresh` | integer | No | | Options to config when to refresh a variable<br/>`0`: Never refresh the variable<br/>`1`: Queries the data source every time the dashboard loads.<br/>`2`: Queries the data source when the dashboard time range changes.<br/>Possible values are: `0`, `1`, `2`. |
| `regex` | string | No | | Optional field, if you want to extract part of a series name or metric node segment.<br/>Named capture groups can be used to separate the display text and value. |
| `skipUrlSync` | boolean | No | `false` | Whether the variable value should be managed by URL query params or not |