Ryan Ly

## Description When a user creates a custom API class that extends `MultiContainerInterface` but they define their own constructor, then when a file is written with the extension and loaded...

Hackathon feedback: If a user creates a `Device` using the `Device` constructor and links to it in when creating an `ImagingPlane`, but the user does not add the `Device` to...

Make convenience functions for trialized time series

5

We want to encourage users with trialized time series (e.g. segments of a continuous time series) to store their data as a single, continuous (untrialized) time series, albeit with segments...

Validator does not catch missing required columns in electrodes table

2

The validator does not catch missing required columns in electrodes table. I think this has to do with the fact that in the `NWBFile` spec, when defining the electrodes table,...

By passing a `DynamicTable` in to the `NWBFile` constructor, it is possible to add an electrodes table with none of the required columns. ```python from pynwb import NWBFile, NWBHDF5IO, validate...

Document support for HDF5 datasets with scalar and simple 1-element dataspaces for scalar specs

2

[HDF5 datasets](https://support.hdfgroup.org/documentation/hdf5/latest/group___h5_s.html) can have a null (empty), scalar (singleton), or simple (multidimensional) dataspace. Datasets with simple dataspace can have shape (1,). Some systems like Igor Pro can only write simple...

This minor QOL issue came up in a data conversion project. "impedance" is much more readable. We could change that only in the API, but I think it makes sense...

Implement NWBEP001 (add EventsTable and more)

1

## Summary of changes - Fix #625 ## Checklist For all schema changes: - [ ] Add release notes for the PR to `docs/format/source/format_release_notes.rst`. - [x] Have you included the...

Reset default value for attrs in IndexSeries

1

## Summary of changes - Fix #641 ## Checklist For all schema changes: - [ ] Add release notes for the PR to `docs/format/source/format_release_notes.rst`. - [x] Have you included the...

[NWBEP001](https://docs.google.com/document/d/1qcsjyFVX9oI_746RdMoDdmQPu940s0YtDjb1en1Xtdw/edit) has been reviewed and accepted by the TAB after TAB review and community review. [ndx-events](https://github.com/rly/ndx-events/) implements NWBEP001. We should now adapt and integrate the NWBEP001 schema into the core.