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Hello. I want update multiple fields.
I think that is wrong the Data Provider of Loop Function.
In fact, if I insert one of these field ({data:nome} or {data:formato} ), it work correctly.
​
But what is the array to update both fields.
I tried {data:} and {data:model_name_read_data}, unsuccessfully.
​
Thank you for your support.
​

What does your debug show. Use {debug:} at the end of the event.

This is with {data:} in loop function
​

​
​

Array
(
    [option] => com_chronoconnectivity6
    [cont] => manager
    [conn] => BE_listini-copy
    [id_listino_2] => 3
    [event] => update_pre_for_list
    [nome] => Array
        (
            [182] => nome01
            [183] => Nome02
        )

    [formato] => Array
        (
            [182] => Formato01
            [183] => Formato02
        )

)

​

Array
(
    [update_pre_for] => Array
        (
            [data] => Array
                (
                    [formato] => Array
                        (
                            [182] => Formato01
                            [183] => Formato02
                        )

                    [nome] => Array
                        (
                            [182] => Formato01
                            [183] => Formato02
                        )

                )

            [_success] => Data saved successfully
            [log] => Array
                (
                    [0] => UPDATE `xijhd_cf_prodotti_formati` AS `prefor` SET `formato` = '{"182":"Formato01","183":"Formato02"}', `nome` = '{"182":"Formato01","183":"Formato02"}' WHERE `id` = 'formato';
                )

            [var] => Array
                (
                    [formato] => {"182":"Formato01","183":"Formato02"}
                    [nome] => {"182":"Formato01","183":"Formato02"}
                )

        )

)

Put them both in an array format. So change the name to something like model[{var:table_list_name.row.model.id}][nome] so you're given an array of values on submit.

I'm very sorry, Put them both in an array format?
How can I do?

Change the name of the field to the thing I said

so:
- in text field of formato changed Name with Prefor[{var:prefor_list.row.Prefor.id}][formato], in text field nome with name Prefor[{var:prefor_list.row.Prefor.id}][nome],
In data provider loop I maintain {data:}
​
This is debug:
​
​

Array
(
    [option] => com_chronoconnectivity6
    [cont] => manager
    [conn] => BE_listini-copy
    [event] => update_pre_for_list
    [id_listino_2] => 3
    [Prefor] => Array
        (
            [182] => Array
                (
                    [nome] => Nome1
                    [formato] => Formato1
                )

            [183] => Array
                (
                    [nome] => Nome2
                    [formato] => Formato2
                )

        )

)

​

Array
(
    [update_pre_for] => Array
        (
            [data] => Array
                (
                    [formato] => Array
                        (
                            [182] => Array
                                (
                                    [nome] => Nome1
                                    [formato] => Formato1
                                )

                            [183] => Array
                                (
                                    [nome] => Nome2
                                    [formato] => Formato2
                                )

                        )

                    [nome] => Array
                        (
                            [182] => Array
                                (
                                    [nome] => Nome1
                                    [formato] => Formato1
                                )

                            [183] => Array
                                (
                                    [nome] => Nome2
                                    [formato] => Formato2
                                )

                        )

                )

            [_success] => Data saved successfully
            [log] => Array
                (
                    [0] => UPDATE `xijhd_cf_prodotti_formati` AS `prefor` SET `formato` = '{"182":{"nome":"Nome1","formato":"Formato1"},"183":{"nome":"Nome2","formato":"Formato2"}}', `nome` = '{"182":{"nome":"Nome1","formato":"Formato1"},"183":{"nome":"Nome2","formato":"Formato2"}}' WHERE `id` = 'Prefor';
                )

            [var] => Array
                (
                    [formato] => {"182":{"nome":"Nome1","formato":"Formato1"},"183":{"nome":"Nome2","formato":"Formato2"}}
                    [nome] => {"182":{"nome":"Nome1","formato":"Formato1"},"183":{"nome":"Nome2","formato":"Formato2"}}
                )

        )

)

I think to be near to solution.
view formato - name model[{var:table_list_name.row.model.id}][formato]
view nome - name model[{var:table_list_name.row.model.id}][nome]
function -loop - data provider {data:model}
function - save data - data provider {data:} - data override nome - {var:save_pre_for_loop.row} - on update and formato - {var:save_pre_for_loop.row} - on update
​
This is debug, suggestion?
​
​

Array
(
    [option] => com_chronoconnectivity6
    [cont] => manager
    [conn] => BE_listini-copy
    [id_listino_2] => 3
    [event] => update_pre_for_list
    [Prefor] => Array
        (
            [182] => Array
                (
                    [nome] => Nome1
                    [formato] => Formato1
                )

            [183] => Array
                (
                    [nome] => Nome2
                    [formato] => Formato2
                )

        )

)

Array
(
    [update_pre_for] => Array
        (
            [data] => Array
                (
                    [option] => com_chronoconnectivity6
                    [cont] => manager
                    [conn] => BE_listini-copy
                    [id_listino_2] => 3
                    [event] => update_pre_for_list
                    [Prefor] => Array
                        (
                            [182] => Array
                                (
                                    [nome] => Nome1
                                    [formato] => Formato1
                                )

                            [183] => Array
                                (
                                    [nome] => Nome2
                                    [formato] => Formato2
                                )

                        )

                    [nome] => Array
                        (
                            [nome] => Nome2
                            [formato] => Formato2
                        )

                    [formato] => Array
                        (
                            [nome] => Nome2
                            [formato] => Formato2
                        )

                )

            [_success] => Data saved successfully
            [log] => Array
                (
                    [0] => UPDATE `xijhd_cf_prodotti_formati` AS `prefor` SET `nome` = '{"nome":"Nome2","formato":"Formato2"}', `formato` = '{"nome":"Nome2","formato":"Formato2"}' WHERE `id_listino` = '3';
                )

            [var] => Array
                (
                    [nome] => {"nome":"Nome2","formato":"Formato2"}
                    [formato] => {"nome":"Nome2","formato":"Formato2"}
                )

        )

)

Replace "table_list_name" with the name of your table list, replace "model" with the name of your model.

Done! I used example text, but in my work it's correctly complied (Prefor[{var:prefor_list.row.Prefor.id}][formato] - Prefor[{var:prefor_list.row.Prefor.id}][nome] - {data:Prefor})