The unity between Sumar and Podemos casts more doubts than certainties on the coexistence between both spaces during the electoral campaign. To tie the purple party short, Yolanda Díaz's negotiators tried to shield themselves by establishing a series of clauses in the political document signed by the 15 parties.

In this role, all the rules of the game are agreed, as well as the details of the coalition, from the positions on the lists – many of them with names and surnames – to the distribution of money.