> For the complete documentation index, see [llms.txt](https://docs.discordbotstudio.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.discordbotstudio.org/response-nodes/variable-category/check-if-variable-exists.md).

# Check if Variable Exists

If the variable supplied exists, the nodes connected to the true output will be run, otherwise the nodes connected to the false output will be run.

| **Field**                         | Description                                                                                                                                                                                    |
| --------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Name of variable to check**     | The name of the variable whose existence is being checked. Do not include the ${} syntax. For example- if the variable name is ${tempVars.myValue}, you would just enter myValue in the field. |
| **What type of variable is this** | Select what type the variable that is being checked is stored as.                                                                                                                              |