She fled first to [[Second Polish Republic|Poland]] and then to [[Paris]],{{Sfn|Boulouque|2001|pp=126-127}} where she took the pen-name "Ida Mett" and co-edited the Russian anarchist magazine ''[[Delo Truda]]''.{{Sfnm|1a1=Boulouque|1y=2001|1pp=126-127|2a1=Heath|2y=2017|2p=1|3a1=Skirda|3y=2002|3pp=121-122}} Through the magazine, she began to closely collaborate with the Ukrainian anarchists [[Peter Arshinov]] and [[Nestor Makhno]], with whom she penned the ''[[Platformism|TheOrganisational Platform]] of the General Union of Anarchists''.,{{Sfnm|1a1=Heath|1y=2017|1p=1|2a1=Skirda|2y=2002|2pp=121-122}} the founding document of the anarchist tendency known as [[platformism]].{{Sfn|Darch|2020|p=143}} Mett reported on the meetings in which ''The Platform'' was discussed, noting the objections of [[Anarchism in France|French]] and [[Anarchism in China|Chinese anarchists]].{{Sfn|Skirda|2002|p=124}} Mett herself defended the provisions in ''The Platform'' for the "ideological direction of the masses", arguing it to be necessary for anarchists to make their ideas predominate within the workers' movement and distinguishing the tactic from [[political party|party political]] aspirations to take [[State (polity)|state power]].{{Sfn|Skirda|2002|p=125}} She was quickly struck by Makhno's oratory talents at these meetings,{{Sfn|Shubin|2010|pp=189-190}} and for three years, she helped edit his memoirs,{{Sfnm|1a1=Peters|1y=1970|1p=92|2a1=Skirda|2y=2004|2p=280}} but would end up falling out with him over the process.{{Sfnm|1a1=Malet|1y=1982|1p=190|2a1=Skirda|2y=2004|2p=280}} In 1928, she was expelled from ''Delo Truda'' for her [[Bereavement in Judaism|religious practices]], after she lit a [[yahrzeit candle]] for her recently-deceased father.{{Sfn|Boulouque|2001|pp=126-127}}
