[agent builder] Document how to do optional parameters in ESQL tool #4007
Description
Tasks
- API docs
- Main docs
Resources
- draft frontend PR to set a default value for optional params in ESQL tools.
- [Agent Builder] ES|QL tools: support a default value for optional parameters kibana#238008 introduced the ability in the API for creating ESQL tools to specify a default value for parameters that were marked as
optional: true