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---
id: feature-flags
title: Feature Flags
sidebar_label: Feature Flags
---
The framework provides a collection of code-generation features that be added or removed using flags.
## Usage
Feature flags can be provided either by CLI flags or as arguments to the `gen` package.
#### CLI
```console
go run github.com/facebook/ent/cmd/ent generate --feature privacy,entql ./ent/schema
```
#### Go
```go
// +build ignore
package main
import (
"log"
"text/template"
"github.com/facebook/ent/entc"
"github.com/facebook/ent/entc/gen"
)
func main() {
err := entc.Generate("./schema", &gen.Config{
Features: []*gen.Feature{
gen.FeaturePrivacy,
gen.FeatureEntQL,
},
Templates: []*gen.Template{
gen.MustParse(gen.NewTemplate("static").
Funcs(template.FuncMap{"title": strings.ToTitle}).
ParseFiles("template/static.tmpl")),
},
})
if err != nil {
log.Fatalf("running ent codegen: %v", err)
}
}
```
## List of Features
#### Privacy Layer
The privacy layer allows configuring privacy policy for queries and mutations of entities in the database.
This option can be added to projects using the `--feature privacy` flag, and its full documentation exists
in the [privacy page](privacy.md).
#### EntQL Filtering
The `entql` option provides a generic and dynamic filtering capability at runtime for the different query builders.
This option can be added to projects using the `--feature entql` flag, and more information about it exists
in the [privacy page](privacy.md#multi-tenancy).
#### Auto-Solve Merge Conflicts
The `schema/snapshot` option tells `entc` (ent codegen) to store a snapshot of the latest schema in an internal package,
and use it to automatically solve merge conflicts when user's schema can't be built.
This option can be added to projects using the `--feature schema/snapshot` flag, but please see
[facebook/ent/issues/852](https://github.com/facebook/ent/issues/852) to get more context about it.
|
