CustomObject Decimal type Issue

Summary

CustomObject Decimal type Issue

Content (required):

I have a field in CustomObject with the type of 'decimal'. When I am trying to save it from Customer Portal it doesn't affect any of that field. Can anyone help me on this how to save this value from CP. Below is my code snippet.

Decimal Field Setting in Agent Desktop.

Decimal Part (0 to 5) - 2

Maximum Value - 100

Minimum Value - 0

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):

$coname = new RNCPHP\CO\COName();

$coname->decimal_field = 4.55;

$coname->save();