# experiments Experiments describe how data was collected from the participant. In other words, the methods used to get the data. This does not describe how to analyze the data once it’s collected.

### JSON variables :blue\_circle: Primary key\ :red\_circle: Required\ :yellow\_circle: Computed (squirrel writer/reader should handle these variables)

Variable	Type	Default	Description
`ExperimentName`	string	🔴 🔵	Unique name of the experiment.
`FileCount`	number	🟡	Number of files contained in the experiment.
`Size`	number	🟡	Size, in bytes, of the experiment files.
`VirtualPath`	string	🟡	Path to the experiment within the squirrel package.

### Directory structure Files associated with this section are stored in the following directory. Where `ExperimentName` is the unique name of the experiment. > `/experiments/` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.neuroinfodb.org/nidb/contribute/squirrel-data-sharing-format/specification-v1.0/experiments.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.