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isCustom() method from Schema.DescribeFieldResult can be used to find whether the field custom or standard in Salesforce using Apex.
Blog Post:
https://www.infallibletechie.com/2023/09/how-to-find-all-custom-fields-in-an-salesforce-object.html
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0:06
hello everyone
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in this video we are going to see how to
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find all custom fields from an object in
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Salesforce using Apex
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if you have a requirement where you
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wanted to find all the custom fields in
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an object then you can make use of the
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sample piece of code which we are going
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to refer in this video
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in schema.describe field result we have
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is custom method which can be used to
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find whether a field is a custom field
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or a standard field in Salesforce
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let's look at a look at the sample code
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first I am using schema dot describe s
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object result I am assigning a variable
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to it where I am trying to describe the
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object account account.s object dot s
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get described so this will describe and
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it will give get all the meta data
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information about the account object
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using
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map map of string comma schema.s object
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field
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um I am declaring a variable and
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assigning it to this map type and
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in order to get the string command a
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subject field I am using S object
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describe result dot fields.getmap so in
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this uh
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described result I will have more
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information but in that I wanted to get
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only the fields dot getmap so that I
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will have string comma schema.s object
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I wanted to
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iterate schema Dot
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s object so what I have done is
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am I trading map field list
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which will have the map I don't want the
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key I want only the values so I'm using
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the values method from the map data type
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I'm iterating each and every field
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and using schema.describe field result I
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am describing the field so that I will
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get more information about the field
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value and then in using the field result
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is custom so this is custom method will
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check whether the field is a custom
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field or a standard field
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if it is a custom field then it will go
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inside this if block and then it will
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display what is the field label and what
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is the field in a let's execute this
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so enable debug only so I have all these
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fields
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in an in my account object which are
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custom
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please check the video description in
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the video description I have shared my
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blog post from the blog post you should
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be able to get the sample code which we
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referenced in this video
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I hope it was helpful
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thank you for watching
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