Docs / Content
ContentImageById is an AMPscript function in the content category. Resolves from Content Blocks; falls back to a placeholder image.
ContentImageById(id, [defaultUrl])
<img src="%%=ContentImageById("logo", "https://placehold.co/200x50")=%%" alt="logo">
<img src="https://placehold.co/200x50" alt="logo">
Output produced by AmpSend's AMPscript engine (validated against Salesforce's own test corpus) - not a hand-written result.
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ContentImageById in the official AMPscript reference - or browse the official index of AMPscript functions for platform behavior and edge cases.