diff --git a/apipara.go b/apipara.go
index 15fe00d..eae5ea4 100644
--- a/apipara.go
+++ b/apipara.go
@@ -78,3 +78,16 @@ func (p *Paragraph) Style(val string) *Paragraph {
 	p.Properties.Style = &Style{Val: val}
 	return p
 }
+
+// NumPr number properties
+func (p *Paragraph) NumPr(val string) *Paragraph {
+	if p.Properties == nil {
+		p.Properties = &ParagraphProperties{}
+	}
+	p.Properties.NumProperties = &NumProperties{
+		NumId: &NumId{
+			Val: val,
+		},
+	}
+	return p
+}
diff --git a/structnum.go b/structnum.go
new file mode 100644
index 0000000..1a119ac
--- /dev/null
+++ b/structnum.go
@@ -0,0 +1,59 @@
+package docx
+
+import (
+	"encoding/xml"
+	"io"
+)
+
+// NumProperties show the number properties
+type NumProperties struct {
+	XMLName xml.Name `xml:"w:numPr,omitempty"`
+	NumId   *NumId
+	Ilvl    *Ilevel
+}
+
+// NumId show the number id
+type NumId struct {
+	XMLName xml.Name `xml:"w:numId,omitempty"`
+	Val     string   `xml:"w:val,attr"`
+}
+
+// Ilevel show the level
+type Ilevel struct {
+	XMLName xml.Name `xml:"w:ilvl,omitempty"`
+	Val     string   `xml:"w:val,attr"`
+}
+
+// UnmarshalXML ...
+func (n *NumProperties) UnmarshalXML(d *xml.Decoder, _ xml.StartElement) error {
+	for {
+		t, err := d.Token()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			return err
+		}
+
+		if tt, ok := t.(xml.StartElement); ok {
+			switch tt.Name.Local {
+			case "numId":
+				var value NumId
+				value.Val = getAtt(tt.Attr, "val")
+				n.NumId = &value
+			case "ilvl":
+				var value Ilevel
+				value.Val = getAtt(tt.Attr, "val")
+				n.Ilvl = &value
+			default:
+				err = d.Skip() // skip unsupported tags
+				if err != nil {
+					return err
+				}
+				continue
+			}
+		}
+	}
+
+	return nil
+}
diff --git a/structsect.go b/structsect.go
index 2298c88..cc66873 100644
--- a/structsect.go
+++ b/structsect.go
@@ -39,6 +39,7 @@ type PgSz struct {
 	H int `xml:"w:h,attr"` // high of paper
 }
 
+// PgMar show the page margin
 type PgMar struct {
 	Top    int `xml:"w:top,attr"`
 	Left   int `xml:"w:left,attr"`
@@ -49,10 +50,12 @@ type PgMar struct {
 	Gutter int `xml:"w:gutter,attr"`
 }
 
+// Cols show the number of columns
 type Cols struct {
 	Space int `xml:"w:space,attr"`
 }
 
+// DocGrid show the document grid
 type DocGrid struct {
 	Type      string `xml:"w:type,attr"`
 	LinePitch int    `xml:"w:linePitch,attr"`
@@ -134,6 +137,7 @@ func (pgsz *PgSz) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 	return err
 }
 
+// UnmarshalXML ...
 func (pgmar *PgMar) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 	var err error
 
@@ -183,6 +187,7 @@ func (pgmar *PgMar) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 	return err
 }
 
+// UnmarshalXML ...
 func (cols *Cols) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 	var err error
 
@@ -202,6 +207,7 @@ func (cols *Cols) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 	return err
 }
 
+// UnmarshalXML ...
 func (dg *DocGrid) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 	var err error