#### [Pf2eModel](index.md 'index')
### [Pf2eModel\.Migrations](Pf2eModel.Migrations.md 'Pf2eModel\.Migrations').[Function](Function.md 'Pf2eModel\.Migrations\.Function')

## Function\.Up\(MigrationBuilder\) Method

Builds the operations that will migrate the database 'up'\.

```csharp
protected override void Up(Microsoft.EntityFrameworkCore.Migrations.MigrationBuilder migrationBuilder);
```
#### Parameters

<a name='Pf2eModel.Migrations.Function.Up(Microsoft.EntityFrameworkCore.Migrations.MigrationBuilder).migrationBuilder'></a>

`migrationBuilder` [Microsoft\.EntityFrameworkCore\.Migrations\.MigrationBuilder](https://docs.microsoft.com/en-us/dotnet/api/Microsoft.EntityFrameworkCore.Migrations.MigrationBuilder 'Microsoft\.EntityFrameworkCore\.Migrations\.MigrationBuilder')

The [Microsoft\.EntityFrameworkCore\.Migrations\.MigrationBuilder](https://docs.microsoft.com/en-us/dotnet/api/Microsoft.EntityFrameworkCore.Migrations.MigrationBuilder 'Microsoft\.EntityFrameworkCore\.Migrations\.MigrationBuilder') that will build the operations\.

### Remarks

That is, builds the operations that will take the database from the state left in by the
previous migration so that it is up-to-date with regard to this migration.

This method must be overridden in each class that inherits from [Microsoft\.EntityFrameworkCore\.Migrations\.Migration](https://docs.microsoft.com/en-us/dotnet/api/Microsoft.EntityFrameworkCore.Migrations.Migration 'Microsoft\.EntityFrameworkCore\.Migrations\.Migration').

See [Database migrations](https://aka.ms/efcore-docs-migrations 'https://aka\.ms/efcore\-docs\-migrations') for more information and examples.