How to create your MM?

<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema"
	targetNamespace="http://www.gind.emac.fr/modeler/metaModel"
	xmlns:tns="http://www.gind.emac.fr/modeler/metaModel"
	elementFormDefault="qualified">

	<element name="canvasProperties">
		<complexType>
			<sequence>
				<element name="width" type="int"></element>
				<element name="height" type="int"></element>
			</sequence>
		</complexType>
	</element>

	<element name="metaModel">
		<complexType>
			<sequence>
				<element name="name" type="QName"></element>
				<element name="version" type="string"></element>
				<element name="domain" type="string" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element name="category" type="string" minOccurs="0"></element>
				<element name="icon" type="anyURI"></element>
				<element name="fileExtension" type="string" minOccurs="0"></element>
				<element name="reorganizeJavascriptFunction" type="string"
					minOccurs="0"></element>
				<element name="backgroundColor" type="string"></element>
				<element name="globalProperties" minOccurs="0">
					<complexType>
						<sequence>
							<element ref="tns:property" minOccurs="0"
								maxOccurs="unbounded"></element>
						</sequence>
					</complexType>
				</element>
				<element ref="tns:canvasProperties" minOccurs="0"></element>
				<element ref="tns:import" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element ref="tns:importedNode" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element ref="tns:node" minOccurs="0" maxOccurs="unbounded"></element>
				<element ref="tns:edge" minOccurs="0" maxOccurs="unbounded"></element>
				<element ref="tns:rules"></element>
				<element name="extensions" minOccurs="0">
					<complexType>
						<sequence>
							<any minOccurs="0" maxOccurs="unbounded"></any>
						</sequence>
					</complexType>
				</element>
			</sequence>
			<attribute name="targetNamespace" type="anyURI"
				use="optional" />
		</complexType>
	</element>

	<element name="effectiveMetaModel">
		<complexType>
			<sequence>
				<element name="name" type="QName"></element>
				<element name="version" type="string"></element>
				<element name="icon" type="anyURI"></element>
				<element name="domain" type="string" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element name="category" type="string" minOccurs="0"></element>
				<element name="fileExtension" type="string" minOccurs="0"></element>
				<element name="reorganizeJavascriptFunction" type="string"
					minOccurs="0"></element>
				<element name="backgroundColor" type="string"></element>
				<element name="globalProperties" minOccurs="0">
					<complexType>
						<sequence>
							<element ref="tns:property" minOccurs="0"
								maxOccurs="unbounded"></element>
						</sequence>
					</complexType>
				</element>
				<element name="mergedMetaModel" type="QName" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element ref="tns:canvasProperties" minOccurs="0"></element>
				<element ref="tns:node" minOccurs="0" maxOccurs="unbounded"></element>
				<element ref="tns:edge" minOccurs="0" maxOccurs="unbounded"></element>
				<element ref="tns:rules"></element>
				<element name="extensions" minOccurs="0">
					<complexType>
						<sequence>
							<any minOccurs="0" maxOccurs="unbounded"></any>
						</sequence>
					</complexType>
				</element>
			</sequence>
			<attribute name="targetNamespace" type="anyURI"
				use="optional" />
		</complexType>
	</element>

	<element name="paletteView">
		<complexType>
			<sequence>
				<element name="mode">
					<simpleType>
						<restriction base="string">
							<enumeration value="MANUAL" />
							<enumeration value="AUTOMATIC" />
						</restriction>
					</simpleType>
				</element>
				<element name="ordering">
					<simpleType>
						<restriction base="string">
							<enumeration value="FLAT" />
							<enumeration value="BY_CATEGORY" />
						</restriction>
					</simpleType>
				</element>
			</sequence>
		</complexType>
	</element>

	<element name="importedNode">
		<complexType>
			<sequence>
				<element name="redefine">
					<complexType>
						<sequence>
							<element name="category" type="string" minOccurs="0"></element>
							<element ref="tns:property" minOccurs="0"
								maxOccurs="unbounded"></element>
						</sequence>
					</complexType>
				</element>
			</sequence>
			<attribute name="ref" type="QName"></attribute>
		</complexType>
	</element>

	<element name="import">
		<complexType>
			<attribute name="namespace" type="anyURI" use="required" />
			<attribute name="location" type="anyURI" use="required" />
		</complexType>
	</element>

	<element name="node">
		<complexType>
			<sequence>
				<element name="type" type="QName"></element>
				<element name="extends" type="QName" minOccurs="0"></element>
				<element name="abstract" type="boolean" minOccurs="0"
					default="false"></element>
				<element name="couldHaveARef" type="boolean" minOccurs="0" ></element>
				<element name="view" minOccurs="0">
					<complexType>
						<sequence>
							<element name="url" type="string"></element>
						</sequence>
						<attribute name="width" type="double" default="0"></attribute>
						<attribute name="height" type="double" default="0"></attribute>
					</complexType>
				</element>
				<element name="icon" type="anyURI" minOccurs="0"></element>
				<element name="hasRotatingPoint" type="boolean"
					minOccurs="0" default="false"></element>
				<element name="lockScaleX" type="boolean" minOccurs="0"
					default="true"></element>
				<element name="lockScaleY" type="boolean" minOccurs="0"
					default="true"></element>
				<element name="role" type="string" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element name="category" type="string" minOccurs="0"></element>
				<element ref="tns:magnets" minOccurs="0"></element>
				<element ref="tns:property" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element name="description" type="string" minOccurs="0"></element>
				<element ref="tns:tooltip" minOccurs="0"></element>
				<element name="geoLocalisation" minOccurs="0">
					<complexType>
						<sequence>
							<choice>
								<element name="point">
									<complexType>
										<sequence>
											<element name="image" type="string" minOccurs="0"></element>
										</sequence>
									</complexType>
								</element>
								<element name="polyline">
									<complexType>
										<sequence>
										</sequence>
										<attribute name="strokeColor" type="string"></attribute>
										<attribute name="strokeWidth" type="double"></attribute>
										<attribute name="strokeDashArray" type="string"></attribute>
										<attribute name="strokeOpacity" type="double"></attribute>
										<attribute name="fillColor" type="string"></attribute>
										<attribute name="fillOpacity" type="double"></attribute>
									</complexType>
								</element>
								<element name="area">
									<complexType>
										<sequence>
										</sequence>
										<attribute name="strokeColor" type="string"></attribute>
										<attribute name="strokeWidth" type="double"></attribute>
										<attribute name="strokeDashArray" type="string"></attribute>
										<attribute name="strokeOpacity" type="double"></attribute>
										<attribute name="fillColor" type="string"></attribute>
										<attribute name="fillOpacity" type="double"></attribute>
									</complexType>
								</element>
								<element name="predefinedShape">
									<complexType>
										<sequence>
											<choice>
												<element name="circle">
													<complexType>
														<attribute name="defaultRadius" type="float"></attribute>
													</complexType>
												</element>
												<element name="rect">
													<complexType>
														<attribute name="defaultWidth" type="float"></attribute>
														<attribute name="defaultHeight" type="float"></attribute>
													</complexType>
												</element>
											</choice>
										</sequence>
										<attribute name="strokeColor" type="string"></attribute>
										<attribute name="strokeWidth" type="double"></attribute>
										<attribute name="strokeDashArray" type="string"></attribute>
										<attribute name="strokeOpacity" type="double"></attribute>
										<attribute name="fillColor" type="string"></attribute>
										<attribute name="fillOpacity" type="double"></attribute>
									</complexType>
								</element>
							</choice>
						</sequence>
					</complexType>
				</element>
			</sequence>
		</complexType>
	</element>


	<element name="tooltip">
		<complexType>
			<sequence>
				<element name="showType" type="boolean" minOccurs="0"></element>
				<element name="showRole" type="boolean" minOccurs="0"></element>
				<element name="showCategory" type="boolean" minOccurs="0"></element>
				<element name="showProperty" minOccurs="0"
					maxOccurs="unbounded">
					<complexType>
						<sequence>
						</sequence>
						<attribute name="propertyName" type="string"></attribute>
					</complexType>
				</element>
				<element name="action" type="string" minOccurs="0"></element>
			</sequence>
		</complexType>
	</element>
	
	<simpleType name="PathEdgeType">
		<restriction base="string">
			<enumeration value="LINE"></enumeration>
			<enumeration value="CURVE"></enumeration>
		</restriction>
	</simpleType>

	<element name="edge">
		<complexType>
			<sequence>
				<element name="type" type="QName"></element>
				<element name="pathType" type="tns:PathEdgeType" minOccurs="0" default="CURVE"></element>
				<element name="strokeColor" type="string"></element>
				<element name="strokeWidth" type="integer"></element>
				<element name="strokeDashArray" type="string" minOccurs="0"></element>
				<element name="startConnectorView"
					type="tns:connectorViewType" minOccurs="0"></element>
				<element name="endConnectorView"
					type="tns:connectorViewType" minOccurs="0"></element>
				<element name="icon" type="string" minOccurs="0"></element>
				<element name="role" type="string" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element name="category" type="string"></element>
				<element ref="tns:property" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element name="description" type="string" minOccurs="0"></element>
			</sequence>
		</complexType>
	</element>

	<complexType name="connectorViewType">
		<sequence>
			<element name="shape" type="tns:shapeType"></element>
			<element name="size" type="int"></element>
			<element name="backgroundColor" type="string"></element>
		</sequence>
	</complexType>

	<simpleType name="shapeType">
		<restriction base="string">
			<enumeration value="TRIANGLE"></enumeration>
			<enumeration value="CIRCLE"></enumeration>
			<enumeration value="SQUARE"></enumeration>
		</restriction>
	</simpleType>


	<simpleType name="formtypeType">
		<restriction base="string">
			<!-- primitive type -->
			<enumeration value="text"></enumeration>
			<enumeration value="color"></enumeration>
			<enumeration value="email"></enumeration>
			<enumeration value="number"></enumeration>
			<enumeration value="password"></enumeration>
			<enumeration value="textarea"></enumeration>
			<enumeration value="url"></enumeration>
			<enumeration value="hypertext"></enumeration>
			<enumeration value="tel"></enumeration>
			<enumeration value="file"></enumeration>

			<!-- date type -->
			<enumeration value="date"></enumeration>
			<enumeration value="time"></enumeration>
			<enumeration value="datetime-local"></enumeration>

			<!-- single choice (text derived) -->
			<enumeration value="combobox"></enumeration>
			<enumeration value="radio"></enumeration>

			<!-- multiple choice (text derived) -->
			<enumeration value="checkbox"></enumeration>

			<!-- multiple choice (number derived) -->
			<enumeration value="slider"></enumeration>

			<!-- complex type -->
			<enumeration value="table"></enumeration>
			<enumeration value="button"></enumeration>

		</restriction>
	</simpleType>

	<complexType name="MetaModelPropertyType">
		<sequence>
			<element name="description" type="string" minOccurs="0"></element>
			<element ref="tns:values" minOccurs="0"></element>
			<element name="formatter" type="string"></element>
			<element name="onSaveInForm" type="string"></element>
			<element name="onChangeInForm" type="string"></element>
			<element name="conditionInForm" minOccurs="0">
				<complexType>
					<attribute name="visibleIf" type="string"></attribute>
					<attribute name="dynamicType" type="string"></attribute>
					<!-- TODO: <attribute name="enableIf" type="string"></attribute> -->
				</complexType>
			</element>
			<element name="conditionInObjectModelTable" minOccurs="0">
				<complexType>
					<attribute name="visibleIf" type="string"></attribute>
				</complexType>
			</element>

			<!-- property for table input type -->
			<element name="objectModel" minOccurs="0">
				<complexType>
					<sequence>
						<element ref="tns:property" minOccurs="0"
							maxOccurs="unbounded">
						</element>
						<element name="othersButton">
							<complexType>
								<attribute name="buttonName" type="string"></attribute>
								<attribute name="buttonAction" type="string"></attribute>
							</complexType>
						</element>
						<element name="disabledValues" type="string"></element>
					</sequence>
					<attribute name="editable" type="boolean" default="true"></attribute>
					<attribute name="delete" type="boolean" default="true"></attribute>
					<attribute name="onDeleteFunction" type="string"></attribute>
					<attribute name="add" type="boolean" default="true"></attribute>
					<attribute name="titleAdd" type="string"></attribute>
					<attribute name="titleEdit" type="string"></attribute>
					<attribute name="selectable" type="boolean"
						default="false"></attribute>
					<attribute name="multipleSelection" type="boolean"
						default="false"></attribute>
					<attribute name="filtering" type="boolean" default="true"></attribute>
					<attribute name="pagination" type="string"
						default="[5, 10, 25, 100]"></attribute>
					<attribute name="maxRows" type="int" default="100"></attribute>
					<attribute name="showParentPropertyName" type="boolean"
						default="true"></attribute>
					<attribute name="find" type="string" use="optional"></attribute>
					<attribute name="cellTableStyleExpression" type="string" use="optional"></attribute>
					<attribute name="cellTableEditableExpression" type="string" use="optional"></attribute>
				</complexType>
			</element>

			<!-- property for file type -->
			<element name="uploadOnSelect" minOccurs="0">
				<complexType>
					<sequence>
						<element name="function" type="string"></element>
					</sequence>
				</complexType>
			</element>

			<!-- property for button type -->
			<element name="buttons" minOccurs="0">
				<complexType>
					<sequence>
						<element name="button" minOccurs="0" maxOccurs="unbounded">
							<complexType>
								<sequence>
									<element name="jsonResultValue" type="string"></element>
								</sequence>
								<attribute name="buttonIcon" type="string"></attribute>
								<attribute name="buttonIconType" type="tns:ButtonIconType"></attribute>
								<attribute name="buttonBackgroundMatColor" type="tns:ButtonMatColor"></attribute>
								<!--  TODO: <attribute name="buttonFontMatColor" type="tns:ButtonMatColor"></attribute> -->
								<attribute name="buttonName" type="string"></attribute>
								<attribute name="buttonAction" type="string"></attribute>
								<attribute name="buttonTooltip" type="string"></attribute>
							</complexType>
						</element>
					</sequence>
				</complexType>
			</element>

			<!-- property for hypertext (optional) -->
			<element name="hyperlinks" minOccurs="0">
				<complexType>
					<sequence>
						<element name="link" minOccurs="0" maxOccurs="unbounded">
							<complexType>
								<attribute name="url" type="string"></attribute>
								<attribute name="routerLink" type="string"></attribute>
								<attribute name="queryParams" type="string"></attribute>
								<attribute name="name" type="string"></attribute>
								<attribute name="target" type="string" default="_self"></attribute>
							</complexType>
						</element>
					</sequence>
				</complexType>
			</element>


		</sequence>
		<attribute name="name" type="string"></attribute>
		<attribute name="category" type="string"></attribute>
		<attribute name="defaultValue" type="string"></attribute>
		<attribute name="type" type="tns:formtypeType"></attribute>
		<attribute name="readonly" type="boolean" default="false"></attribute>
		<attribute name="required" type="boolean" default="false"></attribute>
		<attribute name="placeholder" type="string"></attribute>
		<attribute name="textAreaRows" type="integer"></attribute>


		<!-- property for number input type -->
		<attribute name="min" type="float" default="-10000"></attribute>
		<attribute name="max" type="float" default="+10000"></attribute>
		<attribute name="decimal" type="float" default="1"></attribute>
		<attribute name="step" type="float" default="1"></attribute> <!-- for slider number -->

		<!-- property for file -->
		<attribute name="loadingAction" type="string"></attribute>

		<!-- view property: fabricjs -->
		<attribute name="visible" type="boolean" default="false"></attribute>
		<attribute name="visibleIfExpression"  type="string" ></attribute>
		<attribute name="posXFromParentCenter" type="string" ></attribute>
		<attribute name="posYFromParentCenter" type="string" ></attribute>
		<attribute name="rotate" type="integer"></attribute>
		<attribute name="showName" type="boolean" default="false"></attribute>
		<attribute name="maxSizeLimit" type="integer"></attribute>
		<attribute name="fontFamily" type="string"></attribute>
		<attribute name="fontSize" type="integer"></attribute>
		<attribute name="fontWeight" type="string"></attribute>
		<attribute name="fontStyle" type="string"></attribute>
		<attribute name="shadow" type="string"></attribute>
		<attribute name="stroke" type="string"></attribute>
		<attribute name="strokeWidth" type="integer"></attribute>
		<attribute name="textAlign" type="string"></attribute>
		<attribute name="lineHeight" type="string"></attribute>
		<attribute name="textBackgroundColor" type="string"></attribute>

		<!-- property for risk -->
		<attribute name="isImpactable" type="boolean"
			default="false"></attribute>
	</complexType>

	<element name="property" type="tns:MetaModelPropertyType">

	</element>

	<element name="values">
		<complexType>
			<choice>
				<element ref="tns:fixedValues"></element>
				<element ref="tns:conditionalFixedValues"></element>
				<element ref="tns:automaticValues"></element>
			</choice>
		</complexType>
	</element>

	<element name="automaticValues">
		<complexType>
			<sequence>
				<element name="javascriptFunction" >
					<complexType>
						<sequence>
							<element name="definition" type="string"></element>
							<element name="invocation" type="string"></element>
						</sequence>
					</complexType>
				</element>
				<element name="activeRefreshButton" type="boolean" default="false" ></element>
			</sequence>
		</complexType>
	</element>

	<element name="fixedValues">
		<complexType>
			<sequence>
				<element name="value" minOccurs="0" maxOccurs="unbounded">
					<complexType>
						<attribute name="content" type="string"></attribute>
						<attribute name="icon" type="string"></attribute>
					</complexType>
				</element>
			</sequence>
		</complexType>
	</element>


	<element name="conditionalFixedValues">
		<complexType>
			<sequence>
				<element name="possibleValues" minOccurs="0"
					maxOccurs="unbounded">
					<complexType>
						<sequence>
							<element name="value" minOccurs="0" maxOccurs="unbounded">
								<complexType>
									<attribute name="content" type="string"></attribute>
									<attribute name="icon" type="string"></attribute>
								</complexType>
							</element>
						</sequence>
						<attribute name="condition" type="string"></attribute>
					</complexType>
				</element>
			</sequence>
		</complexType>
	</element>


	<element name="magnets">
		<complexType>
			<choice>
				<element name="managedPosition"
					type="tns:ManagedPositionType"></element>
				<element ref="tns:customPositions"></element>
			</choice>
		</complexType>
	</element>

	<simpleType name="ManagedPositionType">
		<restriction base="string">
			<enumeration value="CROSS"></enumeration>
			<enumeration value="RECT"></enumeration>
		</restriction>
	</simpleType>
	
	<simpleType name="ButtonIconType">
		<restriction base="string">
			<enumeration value="URL"></enumeration>
			<enumeration value="MAT_ICON"></enumeration>
		</restriction>
	</simpleType>
	
	<simpleType name="ButtonMatColor">
		<restriction base="string">
			<enumeration value="PRIMARY"></enumeration>
			<enumeration value="ACCENT"></enumeration>
			<enumeration value="WARN"></enumeration>
		</restriction>
	</simpleType>

	<element name="customPositions">
		<complexType>
			<sequence>
				<element ref="tns:magnet" minOccurs="0"
					maxOccurs="unbounded"></element>
			</sequence>
		</complexType>
	</element>

	<element name="magnet">
		<complexType>
			<sequence>
				<element name="x" type="float"></element>
				<element name="y" type="float"></element>
			</sequence>
		</complexType>
	</element>

	<element name="rules">
		<complexType>
			<sequence>
				<element ref="tns:connectionRule" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element ref="tns:containmentRule" minOccurs="0"
					maxOccurs="unbounded"></element>
			</sequence>
		</complexType>
	</element>

	<element name="connectionRule">
		<complexType>
			<sequence>
				<element name="role" type="string"></element>
				<element ref="tns:connect" minOccurs="0"
					maxOccurs="unbounded"></element>
			</sequence>
		</complexType>
	</element>

	<element name="connect">
		<complexType>
			<sequence>
				<element name="from" type="string"></element>
				<element name="to" type="string"></element>
				<element name="exclude" type="string" minOccurs="0"
					maxOccurs="unbounded"></element>
			</sequence>
		</complexType>
	</element>

	<element name="containmentRule">
		<complexType>
			<sequence>
				<element name="role" type="string"></element>
				<element name="isSubProcess" type="boolean" minOccurs="0"
					default="false"></element>
				<element name="contain" type="string" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element name="exclude" type="string" minOccurs="0"
					maxOccurs="unbounded"></element>
			</sequence>
		</complexType>
	</element>

	<element name="htmlExtensions">
		<complexType>
			<sequence>
				<element name="javascriptOrCss" type="string" minOccurs="0"
					maxOccurs="unbounded"></element>
				<element name="directive" type="string" minOccurs="0"
					maxOccurs="unbounded"></element>
			</sequence>
		</complexType>
	</element>

	<element name="layersManagement">
		<complexType>
			<sequence>
				<element name="byProperty" minOccurs="0"
					maxOccurs="unbounded">
					<complexType>
						<sequence>
							<element name="defaultValuesArrayFunction" type="string"></element>
						</sequence>
						<attribute name="name" type="string">
						</attribute>
						<attribute name="label" type="string" use="optional">
						</attribute>
					</complexType>
				</element>
			</sequence>
		</complexType>
	</element>

</schema>