How to store the value in rule input if value and saveInto are not having same values.

Question

I want to store the value of 'Monitoring Day' text field into rule input. Please find the below code I am using: 
 a!textField( label: "Monitoring Day", labelPosition: "ABOVE", value: text(ri!monitoringDate,"dddd"), saveInto: a!save(ri!monitoringDetails.monitoringDay,save!value), showWhen: not(isnull(ri!monitoringDate)), required: false, readOnly: true, validations: {} ), 
 It is not storing value in ri!MonitoringDay.

Chris · Accepted Answer

To add to Mike's notes, a typical solution for updating a value which is not interacted with on the form is by utilizing the saveInto parameter of your Submit button - or another button that is sure to have user interaction (necessary for updating values). 
 /* Submit Button*/
saveInto:{
 a!save(
 ri!monitoringDetails.monitoringDay,
 if(
 fn!isnull(ri!monitoringDate),
 null,
 text(ri!monitoringDate,"dddd")
 )
 )
}

Mike Schmitt · Answer

If the user input is happening in the Monitoring Date field, then the saveInto will need to happen there. This is where we end up needing a!save, it makes our job very easy: a!dateTimeField(
 label: "Monitoring Date",
 labelPosition: "ABOVE",
 value: ri!monitoringDate,
 saveInto: {
 ri!monitoringDate,
 a!save(
 ri!monitoringDetails.monitoringDay,
 text(save!value, "dddd"),
 )
 },
 required: true,
 readOnly: false,
 validations: {}
),

a!textField(
 label: "Monitoring Day",
 labelPosition: "ABOVE",
 value: ri!monitoringDetails.monitoringDay,
 showWhen: not(isnull(ri!monitoringDate)),
 required: false,
 readOnly: true
),

Mike Schmitt · Answer

2 things: 
 
 for a simple SaveInto, you don't need to use a!save() unless you're trying to save a value different from the value parameter of the component. In other words, here you could just type "saveInto: ri!monitoringDetails.monitoringDay" 
 I see you have "readOnly" set to a value of true . This means no user interaction will be possible on this text field, meaning that nothing in the saveInto parameter will ever execute. Can you tell us a bit more about the use case that you would be trying to use this for?

How to store the value in rule input if value and saveInto are not having same values.

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