[Home](./index.md) > [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) > [FunctionsRegistry](./kibana-plugin-plugins-expressions-public.functionsregistry.md) ## FunctionsRegistry class Signature: ```typescript export declare class FunctionsRegistry implements IRegistry ``` ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(executor)](./kibana-plugin-plugins-expressions-public.functionsregistry._constructor_.md) | | Constructs a new instance of the FunctionsRegistry class | ## Methods | Method | Modifiers | Description | | --- | --- | --- | | [get(id)](./kibana-plugin-plugins-expressions-public.functionsregistry.get.md) | | | | [register(functionDefinition)](./kibana-plugin-plugins-expressions-public.functionsregistry.register.md) | | | | [toArray()](./kibana-plugin-plugins-expressions-public.functionsregistry.toarray.md) | | | | [toJS()](./kibana-plugin-plugins-expressions-public.functionsregistry.tojs.md) | | |