# Constants You'll most likely interact with the /constants directory if you intend to modify our codebase, as it centralizes the configuration parameters and static variables affecting the application's behavior. The constants folder acts as a single source for critical blockchain-related data. It includes contract addresses and their corresponding ABIs, parameters unique to different blockchain chains, and token-specific information. Additionally, it houses details about various Web3 providers for network interactions, as well as addresses and other relevant information pertaining to Hedger services. In the following sections, we elaborate on the specifics of each file and directory: --- # 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://symmdocs.gitbook.io/frontend-sdk-technical-docs/frontend-sdk/core-package/constants.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.