spreadsheet commands and serialization

[dberardo-com]

hi all,

the link to the commands in this docu page is broken: https://github.com/odoo/o-spreadsheet/blob/17.0/doc/extending/architecture.md#commands

also: is there a list of getters? and in particular is it possible to get the current state / data of the model in order to serialize the sheet in a json format and being able to reload it from a file ?

example

let dataString = model.getData()

new Model(dataString)

[dberardo-com]

duplicate of #2030