Update calculated field value based on custom field value change

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I have 2 fields in Invoice entity

1) paid amount

2) payment date(calculated field)

I want to update payment date field if the paid amount is modified. if there I can do it using calculated field? I don't want to use a workflow for this one field.

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gdas 50,091 Moderator on at

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Hi Ankur ,

My personal opinion you can do this without using workflow. You may need to introduce some additional flag field to make the calculation done for example you want to add 30 days based on last modified date or you need to store last amount bill. There are several method introduce in calculated field to handle basic date related operation.

You can check below articles to make you more confident on this.

ledgeviewpartners.com/.../using-calculated-fields-in-dynamics-crm-2015

www.encorebusiness.com/.../dynamics-crm-calculated-fields

Hope this helps you to implement your functionality.

Best of luck Sir.
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Hi Goutam,

the issue here is I'm not sure how to determine if paid amount field is modified or not.

I don't see any option to determine IsModified.
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gdas 50,091 Moderator on at

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Hi Ankur ,

I understand your point , but what I mean you could check the condition with modified on and then you can add days to your date or calculate your date .Just think opposite whatever you put in condition part and value will be prepare with predefined fixed value. Does it make sense for your business scenario.

You can also think on business rules , you may be you can achieve the same.

Hope this helps.
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gdas 50,091 Moderator on at

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Hi Ankur,

I am not aware deep level about your business logic but you may think in this way if I am not wrong.

Let say you have two paid amount field -

FieldA- After Current Amount ,

FieldB- Before Update Payment Amount.

You need to set FieldB using business rule when each update happen and Old amount will always set in field FieldB.

So in your condition you can get both FieldA and FieldB. So you can understand the differences and you can implement your condition and make calculate the payment date as per the FieldA bill amount.

Hope this helps.
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Hi Gautam,

My requirement is simple if paid amount field's value is modified then payment date field should be updated to the time of field updatation else payment date field should not update at all.

I even tried with workflow. But I think for my requirement it will not work as I'm using an external Integration tool to update few fields in Invoice entity. hence the payment amount field gets updated changing the Payment date field too. I think I will have to handle the payment date field through Integration tool itself.