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Can i make HTTP Callout from Triggers?
Can i make HTTP Callout from Triggers?
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4 Replies
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Hi Suraj,
Callouts cannot be made from triggers as that would hold up the database transaction until the callout completed, which can be up to 120 seconds from a limits perspective. This could obviously cause significant contention with other transactions and impact performance.
The only way that you can execute a callout from a trigger is to schedule it to run asynchronously, for example by executing a method with the @future method as you have found. The key word here is asynchronously - you can't wait for a response from the callout as that would require the transaction to stall until it completes, which is the reason that synchronous callouts aren't allowed.
Thanks.
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You cannot make a HTTP callout from triggers.
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Hi Suraj,
Callouts cannot be made from triggers as that would hold up the database transaction until the callout completed, which can be up to 120 seconds from a limits perspective. ... Then when the callout completes, the @future method can retrieve the record(s) from the database and update the field(s)
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only way to execute a callout from a trigger is to run it asynchronously and this can be achieved by executing a method with the @future method.
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