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Business rule for fetching reference field value from higher-level parents #1585

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Merged
merged 2 commits into from
Oct 31, 2024
Merged

Business rule for fetching reference field value from higher-level parents #1585

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Fetching reference field value from higher-level parents.js
Soumyadeep10 Oct 31, 2024
5120852
readme.md
Soumyadeep10 Oct 31, 2024
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12 changes: 12 additions & 0 deletions ...lue from higher-level parents/Fetching reference field value from higher-level parents.js
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// In this before insert or update Business Rule, we are fetching a reference field value from higher-level parents in hierarchy when there is a field containing the parent record in the children and our use-case reference field is present in all the tables in hierarchy
// I would be referring to "reference field name we want to populate" as "r1"
// I would be referring to "reference field containing parent record" as "parent"


(function executeRule(current, previous /*null when async*/ ) {
if (current.r1 == "" && !JSUtil.nil(current.parent.r1)) // Populate 'use-case reference field' from parent's value for the reference field'
current.r1 = current.parent.r1;
else if (current.< reference field name we want to populate > == "" && !JSUtil.nil(current.parent.parent.r1)) // Populate 'use-case reference field' from 'parent of parent'
current.r1 = current.parent.parent.r1;
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In future, use the getter and setter methods (getValue('field') and setValue('field',value) as well as the getValue() method on GlideElements when dot-walking)

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gs.nil() does the same functionality as JSUtil


})(current, previous);
12 changes: 12 additions & 0 deletions Business Rules/Fetching reference field value from higher-level parents/readme.md
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This is a "**before insert/update**" Business Rule
We are fetching a reference field value from higher-level parents in hierarchy
when there is a field containing the parent record in the children and
our use-case reference field is present in all the tables in hierarchy

In the code, we are referring to "reference field name we want to populate" as "_r1_"
In the code, we are referring to "reference field containing parent record" as "_parent_"

The "**JSUtil.nil**" is being used to check for empty/null value for the field.


Through the code we are checking the empty value of the use-case reference field and dot walking to parents and fetching the value from them if it exists
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