Check if value exists in list

Check if a specific value is present in a named list. Returns a boolean result indicating membership. Matching is case-sensitive and exact.

Path Parameters

Parameter	Type	Required	Description
`id`	UUID	Yes	Named list identifier
`value`	string	Yes	Value to check for membership

Field	Type	Description
`exists`	boolean	`true` if value is in the list, `false` otherwise
`listId`	UUID	Echo of the named list UUID that was checked
`value`	string	The value that was checked

lists:read

Check if a specific value is present in a named list. Returns a boolean result indicating membership. Matching is case-sensitive and exact.

Parameter	Type	Required	Description
`id`	UUID	Yes	Named list identifier
`value`	string	Yes	Value to check for membership

Field	Type	Description
`exists`	boolean	`true` if value is in the list, `false` otherwise
`listId`	UUID	Echo of the named list UUID that was checked
`value`	string	The value that was checked

lists:read

Check if a specific value is present in a named list. Returns a boolean result indicating membership. Matching is case-sensitive and exact.

Parameter	Type	Required	Description
`id`	UUID	Yes	Named list identifier
`value`	string	Yes	Value to check for membership

Field	Type	Description
`exists`	boolean	`true` if value is in the list, `false` otherwise
`listId`	UUID	Echo of the named list UUID that was checked
`value`	string	The value that was checked

lists:read

Check if a specific value is present in a named list. Returns a boolean result indicating membership. Matching is case-sensitive and exact.

Parameter	Type	Required	Description
`id`	UUID	Yes	Named list identifier
`value`	string	Yes	Value to check for membership

Field	Type	Description
`exists`	boolean	`true` if value is in the list, `false` otherwise
`listId`	UUID	Echo of the named list UUID that was checked
`value`	string	The value that was checked

lists:read