OptionalgambitsOptionalhelpOptionalinputA picker of your own; whatever it passes to onchange is the field's value.
OptionalinvalidShown when parse rejects the value.
OptionaloptionsTurns the field into a select of value => label.
OptionalparseConverts what the member typed into the stored value; return null to reject it.
OptionalplaceholderOptionalsearchTurns the field into a picker.
Makes the field a query of this resource's registered gambits (e.g. 'discussions'), written in the search modal with its suggestions and a preview of what matches.