# Package root The package root contains all data and files for the package. The JSON root contains all JSON objects for the package.

### JSON variables :yellow\_circle: Computed (squirrel writer/reader should handles these variables)

Variable	Type	Default	Description
package	JSON object		Package information.
data	JSON object		Raw and analyzed data.
pipelines	JSON object		Methods used to analyze the data.
experiments	JSON object		Experimental methods used to collect the data.
data-dictionary	JSON object		Data dictionary containing descriptions, mappings, and key/value information for any variables in the package.
`NumPipelines`	number	🟡	Number of pipelines.
`NumExperiments`	number	🟡	Number of experiments.
`TotalFileCount`	number	🟡	Total number of data files in the package, excluding .json files.
`TotalSize`	number	🟡	Total size, in bytes, of the data files.

### Directory structure Files associated with this object are stored in the following directory. > `/` --- # 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/package-root.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.