AgentsDataMapdescriptionCopy page|View as Markdown|Open in Claude|More actionsAlias for purpose. Sets the human-readable description of the tool shown to the AI. Parameters descriptionstringRequiredA human-readable description of the tool. Returns DataMap — Self for method chaining. Example 1import { DataMap } from '@signalwire/sdk';23const dm = new DataMap('get_weather');4dm.description('Look up current weather for a city');