# Collections **Collection** is a service that a Merchant (individuals or organization) permits to collect contractual payments. These collecting authorizations are explicitly established in certain documents. There are two types of collection: online collection and offline collection: * **Offline collection:** comprises services such as transportation service collection, delivery and collection of COD payments... * **Online collection:** comprises services such as bank transfer, pay electricity, water, and other utility bills... --- # 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.neox.vn/docs/global/collections.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.