[Home](./index.md) > [kibana-plugin-plugins-expressions-server](./kibana-plugin-plugins-expressions-server.md) > [ExpressionFunctionParameter](./kibana-plugin-plugins-expressions-server.expressionfunctionparameter.md) > [accepts](./kibana-plugin-plugins-expressions-server.expressionfunctionparameter.accepts.md) ## ExpressionFunctionParameter.accepts() method Signature: ```typescript accepts(type: string): boolean; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | type | string | | Returns: `boolean`