# Action button Create a button that uses an [ontology action](../../action-types/overview/index.md) to write data back to the Ontology. Action buttons can be added to the parameters panel, canvas, time series charts, and dashboards to allow users to write data back to the Ontology; for example, by creating objects, updating properties on existing objects, or modifying object links. [Learn more about how action buttons can be used in Quiver.](../cards-index-writeback/index.md) ## Input type Object set, single object ## Output type Flow end ## Usage information | Functionality | Availability | | --- | --- | | [Standard Quiver card](../core-concepts/index.md#cards) | Supported | | [Transform table transform](../cards-transform-table/index.md) | Unsupported |