# Write Custom Plugins Pinot allows user to easily create and use new plugins to support custom needs. The developer needs to implement a few standard interfaces specific to the the type of plugins in Java. Once the code is ready, you can put the complete JAR file in pinot `/plugins` directory. All the classes in plugins directory are loaded at pinot's startup.\ \ We also encourage users to shaded commonly used dependencies such as `guava`, `jackson` --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.pinot.apache.org/release-1.2.0/for-developers/plugin-architecture/write-custom-plugins.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.