Bedrock Runtime > Structures > ContentBlockDeltaEvent ContentBlockDeltaEvent¶ Structure Class¶ ContentBlockDeltaEvent dataclass ¶ The content block delta event. Attributes¶ content_block_index instance-attribute ¶ content_block_index: int The block index for a content block delta event. delta instance-attribute ¶ delta: ContentBlockDelta The delta for a content block delta event.