# Utils

- [Custom API](https://docs.stackai.com/workflow-builder/utils-logic-and-others/utils/custom-api.md)
- [StackAI Project Node](https://docs.stackai.com/workflow-builder/utils-logic-and-others/utils/stackai-project-node.md)
- [Delay](https://docs.stackai.com/workflow-builder/utils-logic-and-others/utils/delay.md): Learn how to use the Delay node in StackAI workflows to pause execution for a set time.
- [Dynamic Vector Store](https://docs.stackai.com/workflow-builder/utils-logic-and-others/utils/dynamic-vector-store.md)
- [Shared Memory](https://docs.stackai.com/workflow-builder/utils-logic-and-others/utils/shared-memory.md)
- [Default Message](https://docs.stackai.com/workflow-builder/utils-logic-and-others/utils/default-message.md)
- [Sticky Note](https://docs.stackai.com/workflow-builder/utils-logic-and-others/utils/sticky-note.md)


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