# Development This chapter will describe the development process and development methods related to subgraphs. Mainly divided into two parts: The first part is the use and deployment development process of the console. First, the working principle of HyperGraph is explained from the perspective of actual business process. Then combined with HyperGraph console and graph-cli and other tools, it explained how to add sub-graph items, generate sub-graph scaffolding, add sub-graph code, deploy to remote server, and perform data index query process. The second part is the reference documentation for subgraph development, AssemblyScript development, and GraphQL query language. --- # 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://en.docs.hg.network/development.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.