Why do we need to know the flow of campaign funds?

Muslim Ayub
Member of the House of Representatives of the Republic of Indonesia from the PAN Party, Electoral District of Aceh I (2014–2019)
H. Muslim Ayub, S.H., M.M. (born June 4, 1967) is a politician from Aceh of the NasDem Party who currently serves as a member of the Indonesian House of Representatives Commission XIII (2024–2029), previously serving as a member of the House of Representatives (2014–2019) from PAN. His career began in the local legislative world—as a member of the East Aceh Regional House of Representatives (1999–2004) and a member of the Aceh Provincial House of Representatives (2004–2014)—during which time he also served as the Deputy Chairman of the Aceh Provincial House of Representatives. Muslim is one of the founders of PAN in 1998, then switched to NasDem in 2021 and now holds a strategic position as the Secretary of the NasDem Aceh and the Chairman of the Party's Advisory Council in the province.
Source: Wikipedia.com