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Variables supply changing values to prompts and preferences that support templating. Open Settings → Agents → Variables to browse the available variables.

Available context

Use a variable

  1. Open the AI Command, Agent instruction, or workflow field you want to customize.
  2. Confirm that the field supports variables; use its picker when available.
  3. Insert the appropriate value and test with harmless sample content.
  4. Review whether an empty input or unavailable permission changes the result.
A text prompt can use supported template names such as:
Variable availability depends on the command and context. Do not assume an ordinary text field evaluates templates. Screenshots and app content can require macOS permissions and a model that accepts the resulting input. Related: AI Commands, Context Awareness, Creating Workflows.