diff --git a/api/v1beta1/params.go b/api/v1beta1/params.go
index 25df872..065ab1a 100644
--- a/api/v1beta1/params.go
+++ b/api/v1beta1/params.go
@@ -5,38 +5,40 @@ import (
 )
 
 // Params represents untyped configuration.
+// kubebuilder does not support interface{} member directly, so this struct is a workaround.
 // +kubebuilder:validation:Type=object
 type Params struct {
 	// Data holds the parameter keys and values.
 	Data map[string]interface{} `json:"-"`
 }
 
-func (c *Params) ToMap() map[string]interface{} {
-	if c == nil {
+// ToMap converts the Params to map[string]interface{}. If the receiver is nil, it returns nil.
+func (p *Params) ToMap() map[string]interface{} {
+	if p == nil {
 		return nil
 	}
-	return c.Data
+	return p.Data
 }
 
 // MarshalJSON implements the Marshaler interface.
-func (c *Params) MarshalJSON() ([]byte, error) {
-	return json.Marshal(c.Data)
+func (p *Params) MarshalJSON() ([]byte, error) {
+	return json.Marshal(p.Data)
 }
 
 // UnmarshalJSON implements the Unmarshaler interface.
-func (c *Params) UnmarshalJSON(data []byte) error {
+func (p *Params) UnmarshalJSON(data []byte) error {
 	var out map[string]interface{}
 	err := json.Unmarshal(data, &out)
 	if err != nil {
 		return err
 	}
-	c.Data = out
+	p.Data = out
 	return nil
 }
 
-// DeepCopyInto is a deepcopy function, copying the receiver, writing into out. in must be non-nil.
-func (c *Params) DeepCopyInto(out *Params) {
-	bytes, err := json.Marshal(c.Data)
+// DeepCopyInto is a deep copy function, copying the receiver, writing into `out`. `p` must be non-nil.
+func (p *Params) DeepCopyInto(out *Params) {
+	bytes, err := json.Marshal(p.Data)
 	if err != nil {
 		panic(err)
 	}