MediaWiki:Apihelp-pollsubmitvote-param-poll
From Minetest Wiki
Poll ID, such as 832A5FA2C2583A5732B90CEFF658FE25; IDs are formed by hashing the input (question + answer options, i.e. the text between <poll>...</poll> tags) with MD5 hashing algorithm and converting the result to UPPERCASE with PHP's strtoupper function
