Restrict the user from creating new row in form

[Aman991]

Hey there,
How we can restrict a user from adding a new row in database by clicking the save button that is there in form, based on some data which is created/added at the same time (some flag). 

Quick question: Let's say user didn't sync manually before starting the form is appsheet will sync when he try to add/update the data. If so, which operation will occur first saving the data to database or syncing of the application.

[Aurelien]

Hi @Aman991 

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@Aman991 wrote:

based on some data which is created/added at the same time (some flag). 

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If an operation is occurring at the exact same time, there is no way for a user to know what are the data entered by another user, unless refreshing the app first.

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@Aman991 wrote:

If so, which operation will occur first saving the data to database or syncing of the application.

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Saving the data to database.

Syncing in background will happen every 30 mn or so, provided you check this option: