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A block with type HEADING_1. Used for large headings.

uuid
string<uuid>
required

Unique identifier for this block.

type
enum<string>
required
Available options:
HEADING_1
groupUuid
string<uuid>
required

Groups related blocks together. For standalone blocks, use the block's own uuid. For child blocks (e.g., dropdown options, multiple choice options), use the parent block's uuid so all children share the same groupUuid.

groupType
enum<string>
required
Available options:
HEADING_1
payload
Heading1Payload · object
required

Payload for HEADING_1 block type. Used for H1 headings.