mdl_common_params: mdl Common Parameters
In zeehio/mendeleyr: Mendeley API for R

These are parameters common to several mendeleyr functions

`token`	A Token given by `mdl_token()` that provides access to your account.
`document_id`	One or more document IDs. Get the document IDs with `mdl_documents()`
`group_name`	A group name. Read group IDs through `mdl_groups()`
`group_id`	A group ID. Read group IDs through `mdl_groups()`
`folder_name`	A folder name. Get folder names with `mdl_folders()`.
`folder_id`	A folder ID. Get folder names with `mdl_folders()`.
`max_objects`	The maximum number of objects (documents, folders, files...) to retreive
`condition`	Either `NULL` (default) or a function taking an object (document, folder, file, ...) represented as a list and returning a logical value. The function will return the objects that have returned `TRUE`.