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Documentation/Pf2eModel/Function.Down(MigrationBuilder).md

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+#### [Pf2eModel](index.md 'index')
+### [Pf2eModel\.Migrations](Pf2eModel.Migrations.md 'Pf2eModel\.Migrations').[Function](Function.md 'Pf2eModel\.Migrations\.Function')
+
+## Function\.Down\(MigrationBuilder\) Method
+
+Builds the operations that will migrate the database 'down'\.
+
+```csharp
+protected override void Down(Microsoft.EntityFrameworkCore.Migrations.MigrationBuilder migrationBuilder);
+```
+#### Parameters
+
+<a name='Pf2eModel.Migrations.Function.Down(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
+this migration so that it returns to the state that it was in before this migration was applied.
+
+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') if
+both 'up' and 'down' migrations are to be supported. If it is not overridden, then calling it
+will throw and it will not be possible to migrate in the 'down' direction.
+
+See [Database migrations](https://aka.ms/efcore-docs-migrations 'https://aka\.ms/efcore\-docs\-migrations') for more information and examples.