How to set Ink Sketch as compulsory field

Forms SharePoint Online
1

Hi, did anyone know how to set Ink Sketch as compulsory field during submission?

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2

Hello @noorshahida88,

There is no way to make InkSketch control as compulsory.

But you can add form validation, so a user will not be able to submit the form if he draws nothing.
Please replace Signature0 in the code example below with the Internal Name of the control.

fd.spRendered(function(){

fd.validators;

fd.validators.push({
    name: 'InkSketchValidator',
    error: "error message",
    validate: function(value) {
        if (fd.control('Signature0').value == null)
            return false;

        return true;
    }
});

});
3

Thanks @mnikitina, I will use this method for now.

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