Docs / Content
ContentBlockByKey is an AMPscript function in the content category.
ContentBlockByKey(key, [region], [raiseError], [default])
%%[ SET @year = 2026 ]%%
%%=ContentBlockByKey("footer")=%%
<p>You are receiving this because you subscribed. 2026</p>
Output produced by AmpSend's AMPscript engine (validated against Salesforce's own test corpus) - not a hand-written result.
Try ContentBlockByKey in the editor - free, no signupAmpSend runs AMPscript entirely in your browser: instant preview, named test scenarios, shared content blocks and data extensions, and an AI assistant that knows every supported function. Nothing leaves your machine.
ContentBlockByKey in the official AMPscript reference - or browse the official index of AMPscript functions for platform behavior and edge cases.