# Plugins

Extend the functionality of FusionAuth with plugins.

> For the index of this section of the site, see [llms.txt](https://4002.18-224-161-104.sslip.io/docs/llms.txt)

FusionAuth provides a plugin mechanism that loads plugins at startup rather than at runtime. This provides much better performance than a runtime plugin system.

Note

You must restart FusionAuth anytime a plugin is installed.

There are two steps to adding a plugin to FusionAuth:

1.  Write the plugin by implementing the correct plugin interface
2.  Install the plugin into your FusionAuth installation

Currently the only extension points offered by plugins are custom password hashing schemes.

Learn more about:

[Custom Password Hashing Learn how to write a FusionAuth plugin to implement a custom password hashing algorithm (also referred to a password encryptors).](https://4002.18-224-161-104.sslip.io/docs/extend/code/password-hashes/custom-password-hashing.md)

[Writing a Plugin Learn how to write a FusionAuth plugin.](https://4002.18-224-161-104.sslip.io/docs/extend/code/password-hashes/writing-a-plugin.md)

Related

[Extend Writing a Plugin Learn how to write a FusionAuth plugin. java plugin](https://4002.18-224-161-104.sslip.io/docs/extend/code/password-hashes/writing-a-plugin.md)
---

## Other pages in Code

> For the full index of this section, see [Extend](https://4002.18-224-161-104.sslip.io/docs/llms-extend.txt).

- [CIMD Client Registration Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/cimd-client-registration.md): An overview of the CIMD client registration lambda.
- [Client Credentials JWT Populate Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/client-credentials-jwt-populate.md): An overview of the Client Credentials JWT Populate lambda.
- [Lambdas](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas.md): An overview of FusionAuth's lambdas, which are pluggable JavaScript code that run at various points in the user lifecycle.
- [JWT Populate Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/jwt-populate.md): An overview of the JWT populate lambda.
- [Call an API from a Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/lambda-remote-api-calls.md): An overview of how to make API calls from Lambdas.
- [Login Validation Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/login-validation.md): An overview of the login validation lambda.
- [MFA Requirement Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/mfa-requirement.md): An overview of the MFA requirement lambda.
- [Apple Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/apple-reconcile.md): An overview of the Apple Reconcile lambda.
- [Epic Games Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/epic-games-reconcile.md): An overview of the Epic Games Reconcile lambda.
- [External JWT Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/external-jwt-reconcile.md): An overview of the External JWT Reconcile lambda.
- [Facebook Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/facebook-reconcile.md): An overview of the Facebook Reconcile lambda.
- [Google Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/google-reconcile.md): An overview of the Google Reconcile lambda.
- [HYPR Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/hypr-reconcile.md): An overview of the HYPR Reconcile lambda.
- [LDAP Connector Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/ldap-connector-reconcile.md): An overview of the LDAP Connector Reconcile lambda.
- [LinkedIn Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/linkedin-reconcile.md): An overview of the LinkedIn Reconcile lambda.
- [Nintendo Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/nintendo-reconcile.md): An overview of the Nintendo Reconcile lambda.
- [OpenID Connect Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/openid-connect-response-reconcile.md): An overview of the OpenID Connect Response Reconcile lambda.
- [SAML v2 Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/samlv2-response-reconcile.md): An overview of the SAML v2 Response Reconcile lambda.
- [Sony PlayStation Network Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/sony-playstation-network-reconcile.md): An overview of the Sony PlayStation Network Reconcile lambda.
- [Steam Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/steam-reconcile.md): An overview of the Steam Reconcile lambda.
- [Twitch Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/twitch-reconcile.md): An overview of the Twitch Reconcile lambda.
- [Twitter Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/twitter-reconcile.md): An overview of the Twitter Reconcile lambda.
- [Xbox Reconcile Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/reconcile/xbox-reconcile.md): An overview of the Xbox Reconcile lambda.
- [SAML v2 Populate Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/samlv2-response-populate.md): An overview of the SAML v2 populate lambda.
- [SCIM Group Request Converter Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/scim-group-request-converter.md): An overview of the SCIM Group Request Converter lambda.
- [SCIM Group Response Converter Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/scim-group-response-converter.md): An overview of the SCIM Group Response Converter lambda.
- [SCIM User Request Converter Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/scim-user-request-converter.md): An overview of the SCIM User Request Converter lambda.
- [SCIM User Response Converter Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/scim-user-response-converter.md): An overview of the SCIM User Response Converter lambda.
- [Self-Service Registration Validation Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/self-service-registration.md): An overview of the Self-Service Registration Validation lambda.
- [Test Lambdas](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/testing.md): A guide on how to create and test lambdas with FusionAuth.
- [UserInfo Populate Lambda](https://4002.18-224-161-104.sslip.io/docs/extend/code/lambdas/userinfo-populate.md): An overview of the UserInfo populate lambda.
- [Custom Password Hashing](https://4002.18-224-161-104.sslip.io/docs/extend/code/password-hashes/custom-password-hashing.md): Learn how to write a FusionAuth plugin to implement a custom password hashing algorithm (also referred to a password encryptors).
- [Writing a Plugin](https://4002.18-224-161-104.sslip.io/docs/extend/code/password-hashes/writing-a-plugin.md): Learn how to write a FusionAuth plugin.