Allows the type of entity to be added to be selected. The position that the entity is added is dependant on the parent menu item.
Only options that are valid given the state of the selected object will be enabled.

All

Selects an <xs:all> element to be added to the schema.

Choice

Selects an <xs:choice> element to be added to the schema.

Sequence

Selects an <xs:sequence> element to be added to the schema.

Any

Selects an <xs:any> element to be added to the schema.

Element

Selects an <xs:element> element to be added to the schema.

Group

Selects an <xs:group> element to be added to the schema.
If the item is to be added as a child of <xs:schema>, then the group must have a name, and is the declaration.
If the item is NOT to be added as a child of <xs:schema>, then the group is a reference to an existing named group, defined as a child of <xs:schema>.

Any Attribute

Selects an <xs:anyAttribute> element to be added to the schema.

Attribute

Selects an <xs:attribute> element to be added to the schema.

Attribute Group

Selects an <xs:attributeGroup> element to be added to the schema.
If the item is to be added as a child of <xs:schema>, then the group must have a name, and is the declaration.
If the item is NOT to be added as a child of <xs:schema>, then the group is a reference to an existing named group, defined as a child of <xs:schema>.

Complex Type

Selects a named <xs:complexType> element to be added to the schema, this can only be done if is to be added as a child of <xs:schema>.

Simple Type

Selects a named <xs:simpleType> element to be added to the schema, this can only be done if is to be added as a child of <xs:schema>.

Notation

Selects a named <xs:notation> element to be added to the schema, this can only be done if is to be added as a child of <xs:schema>.

Key

Adds a <xs:key> element to an <xs:element>.

KeyRef

Adds a <xs:keyref> element to an <xs:element>.

Unique

Adds a <xs:unique> element to an <xs:element>.