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Activity › Forums › Salesforce® Discussions › What is the difference between Whoid and Whatid? How can we associate the task with the Salesforce opportunity using Whatid?

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  • PRANAV

    Member
    December 6, 2016 at 5:12 AM

    Hi Vikas,

    • WhoID in Salesforce refers to people things.  So that would be typically a Lead ID or a Contact ID. The WhoId represents a human such as a lead or a contact. WhoIds are polymorphic. Polymorphic means a WhoId is equivalent to a contact’s ID or a lead’s ID. The label is Name ID.
    • WhatID in Salesforce refers to object type things.  That would typically be an Account ID or an Opportunity ID. The WhatId represents nonhuman objects such as accounts, opportunities, campaigns, cases, or custom objects. WhatIds are polymorphic. Polymorphic means a WhatId is equivalent to the ID of a related object. The label is Related To ID.

    Thanks

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  • Vikas Kumar

    Member
    December 6, 2016 at 6:35 PM

    Thanks Pranav !!

  • shariq

    Member
    September 16, 2018 at 6:05 PM

    Hi,

    WhatId: ID of a related Account, Opportunity, Campaign, Case, or custom object. Labelis Opportunity/Account ID.
    WhoId: ID of a related Contact or Lead. If the WhoId refers to a lead, then the WhatId field must be empty. Label is Contact/Lead ID. If Shared Activities is enabled, this is the ID of a related Lead or primary Contact.

    Hope this helps.

  • Parul

    Member
    September 17, 2018 at 3:42 AM


    WhatId:     ID of a related Account, Opportunity, Campaign, Case, or custom object. Labelis Opportunity/Account ID.
    WhoId: ID of a related Contact or Lead. If the WhoId refers to a lead, then the WhatId field must be empty. Label is Contact/Lead ID. If Shared Activities is enabled, this is the ID of a related Lead or primary Contact. Thanks

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