# {py:mod}`nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers`

```{py:module} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers
```

```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers
:parser: autodoc2_docstrings_parser
:allowtitles:
```

## Module Contents

### Functions

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`upgrade <nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.upgrade>`
  - ```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.upgrade
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
* - {py:obj}`downgrade <nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.downgrade>`
  - ```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.downgrade
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
````

### Data

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`revision <nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.revision>`
  - ```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.revision
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
* - {py:obj}`down_revision <nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.down_revision>`
  - ```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.down_revision
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
* - {py:obj}`branch_labels <nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.branch_labels>`
  - ```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.branch_labels
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
* - {py:obj}`depends_on <nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.depends_on>`
  - ```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.depends_on
    :parser: autodoc2_docstrings_parser
    :summary:
    ```
````

### API

````{py:data} revision
:canonical: nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.revision
:value: >
   'v2_5_0a'

**Type:** str

```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.revision
:parser: autodoc2_docstrings_parser
```

````

````{py:data} down_revision
:canonical: nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.down_revision
:value: >
   'v2_4_0b'

**Type:** typing.Union[str, typing.Sequence[str], None]

```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.down_revision
:parser: autodoc2_docstrings_parser
```

````

````{py:data} branch_labels
:canonical: nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.branch_labels

**Type:** typing.Union[str, typing.Sequence[str], None]

```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.branch_labels
:parser: autodoc2_docstrings_parser
```

````

````{py:data} depends_on
:canonical: nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.depends_on

**Type:** typing.Union[str, typing.Sequence[str], None]

```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.depends_on
:parser: autodoc2_docstrings_parser
```

````

````{py:function} upgrade() -> None
:canonical: nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.upgrade

```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.upgrade
:parser: autodoc2_docstrings_parser
```
````

````{py:function} downgrade() -> None
:canonical: nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.downgrade

```{autodoc2-docstring} nexusLIMS.db.migrations.versions.v2_5_0a_add_external_user_identifiers.downgrade
:parser: autodoc2_docstrings_parser
```
````