Validate Expression Endpoint

curl --request POST \
  --url https://api.ionworks.com/variables/validate-expression \
  --header 'Content-Type: application/json' \
  --data '
{
  "expression": "<string>",
  "model_id": "<string>",
  "config": {},
  "existing_custom_variables": {},
  "new_var_name": "<string>"
}
'

{
  "valid": true,
  "json_value": {},
  "referenced_variables": [],
  "parameters": [],
  "errors": [],
  "warnings": []
}

Validate Expression Endpoint

Validate a custom variable expression against a model.

Checks syntax, variable/parameter references, and cycle detection. Accepts either model_id (for existing models) or config (for models being created).

Parameters

request : ValidateExpressionRequest Expression plus either model_id or config, and optional existing custom variables. model_repo : ModelRepository Injected model repository.

Returns

ValidationResult Validation results including errors, warnings, and references.

Validate Expression Endpoint

curl --request POST \
  --url https://api.ionworks.com/variables/validate-expression \
  --header 'Content-Type: application/json' \
  --data '
{
  "expression": "<string>",
  "model_id": "<string>",
  "config": {},
  "existing_custom_variables": {},
  "new_var_name": "<string>"
}
'

{
  "valid": true,
  "json_value": {},
  "referenced_variables": [],
  "parameters": [],
  "errors": [],
  "warnings": []
}

Body

application/json

Request body for validating a custom variable expression.

expression

string

required

model_id

string | null

config

Config · object

existing_custom_variables

Existing Custom Variables · object

new_var_name

string | null

Response

Successful Response

Result of validating a custom variable expression.

valid

boolean

required

json_value

Json Value · object

referenced_variables

ReferencedVariable · object[]

Show child attributes

parameters

ReferencedParameter · object[]

Show child attributes

errors

string[]

warnings

string[]

⌘I