Chronoforms7 database create, read, write and update - Joomla4

Hello All
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I'm trying to create a form so users can upload a text and an image. This info should be written to a table in the Joomla database (Chronoforms 7 and Joomla 4). I was able to create the form and show it on the front page. But I cannot make the submit button do anything. I saw a section where I can set the parameters to enter my J4 database, but I cannot find the way to submit the data and write it in a table. I watched the video tutorials but these topics are not specifically addressed. I also found a tutorial in the forum, however, it is for an old version and did not help me.
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I'd appreciate if anyone can help me! Any updated tutorial? Documentation? Example?
Thanks!!!
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Jorge

Hi Jorge,
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Please check the form from the Admin view and see if it works there. If so then there may be a JavaScript error on the frontend page that is stopping it submitting.
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Bob

Thanks for your answer GreyHead,
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In the Admin view the form does not show. It only shows a legend " This form was created by ChronoForms". I did not code anything, nor Javascript, nor php.
I'm trying to find "the Save Data action" that you mentioned in another post. Cannot find that either. I'm in the dark...
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Jorge

H Jorge,
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If you are using the basic Contact Form then there is a Log Data setting which is enabled by default.
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If you use the Advanced Form Setting then there are a series of Database Behaviours including 'Save Data'.
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If you don't see the from in Admin view then something is seriously wrong. If you load a Demo form does that display correctly?
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Bob

Thank you Bob,
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I started from scratch and now I can see the forms both in the front and back end. In the pages tab, I set up 1 text box, 1 text area, and 1 button. The configuration of the submit button:
type: submit,
advance settings: submit page;
submit page: form.end_page (did not change the default name of the form). But I don't have a second page (the end_page is left blank)
Everything else left blank.
In the Form Settings tab:
Alias: form-22sep22-1704
Type: advanced form
Advanced settings: external database: The database name is the one I use in Joomla, localhost, user is root, password I left blank, db type is mysqli, and prefix dat_
Behaviors: check security fields, upload files, validate files, confirmation messages, debug, log data
I used for the upload files: e:/wamp64/www/mylocal/temp
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As I said, the form is up, but nothing happens when I press the submit button. No log I can see. The confirmation message doesn't show. The debug windows says:

Array
(
    [option] => com_chronoforms7
    [cont] => manager
    [chronoform] => form-22sep22-1704
    [gpage] => end_page
    [name_and_lastname] => jeaabaraa
    [project_description] => Provide a short description of the project
)

Array
(
)

Don't know what is missing! Could you help?
Thanks.
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jorge