# canvas.version.list
query read
Use when current canvas state is needed before deciding or changing anything.
## Before calling
- Authenticate as the accountable Enhance person.
- Use only resource identifiers returned by an earlier capability result or supplied by the person.
## Input
Show complete JSON Schema
```json
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"type": "object",
"properties": {
"canvasId": {
"type": "string",
"format": "uuid",
"pattern": "^([0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[1-8][0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}|00000000-0000-0000-0000-000000000000|ffffffff-ffff-ffff-ffff-ffffffffffff)$"
},
"limit": {
"default": 50,
"type": "integer",
"minimum": 1,
"maximum": 100
},
"cursor": {
"type": "string",
"minLength": 1,
"maxLength": 1000
},
"includeAutomatic": {
"default": false,
"type": "boolean"
},
"actor": {
"default": "all",
"type": "string",
"enum": [
"all",
"mine"
]
}
},
"required": [
"canvasId",
"limit",
"includeAutomatic",
"actor"
],
"additionalProperties": false
}
```
### Example
Show example input
```json
{
"canvasId": "00000000-0000-4000-8000-000000000010",
"limit": 50,
"includeAutomatic": false,
"actor": "all"
}
```
## Result
Returns a typed canvas.version.list result from the Enhance API without transport-specific prose.
## Recovery
- BAD_REQUEST: correct the named fields and call again.
- UNAUTHORIZED: restore Enhance authentication, then retry once.
- FORBIDDEN or NOT_FOUND: list accessible resources and choose an allowed identifier.
- CONFLICT: read the current resource, merge the intended change, and retry with its version.
- INTERNAL: run Enhance diagnostics, report the failure, and stop repeating the call.
## Continue with
- Choose an id from the result before another canvas operation.
Compatibility: `7d473408c1c47dffaf04bd66532cde5916e8861f764282a5deb22f0fbc6b6e7b`.