In This Article
GraphCommonSchema
GraphCommonSchema.DataTypes
# GraphCommonSchema
```ts
export declare namespace GraphCommonSchema {
const Schema: GraphSchema;
const BaseUri: GraphProperty;
const Version: GraphProperty;
const SourceNode: GraphProperty;
const TargetNode: GraphProperty;
const IsContainment: GraphProperty;
const IsPseudo: GraphProperty;
const IsTag: GraphProperty;
const Label: GraphProperty;
const UniqueId: GraphProperty;
const Contains: GraphCategory;
}
```
### See Also
* [GraphSchema](graphSchema.md#graphschema)
* [DataType](dataType.md#datatype)
* [GraphCategory](graphCategory.md#graphcategory)
* [GraphProperty](graphProperty.md#graphproperty)
* [GraphNode](graphNode.md#graphnode)
* [GraphNodeIdLike](graphNode.md#graphnodeidlike)
* [API Documentation](index.md)
# GraphCommonSchema.DataTypes
```ts
export declare namespace GraphCommonSchema.DataTypes {
export const string: DataType;
export const symbol: DataType;
export const number: DataType;
export const bigint: DataType;
export const boolean: DataType;
export const object: DataType