OptionalmetadataOptionaltool_A set of resources that are made available to the assistant's tools in this
thread. The resources are specific to the type of tool. For example, the
code_interpreter tool requires a list of file IDs, while the file_search
tool requires a list of vector store IDs.
Set of 16 key-value pairs that can be attached to an object. This can be useful for storing additional information about the object in a structured format. Keys can be a maximum of 64 characters long and values can be a maxium of 512 characters long.