How to add custom content in firebase analytics android?

Question

I am integrating FireBase analytics in android app when i registering app then show the custom event like e.g. login,logout events i want to add custom content in each event but does not show.but when i add in "select_content " then show perfectly so why not show in custom event?

I am adding content like as below

Bundle params = new Bundle();
params.putString(FirebaseAnalytics.Param.ITEM_ID, "<params>");
params.putString(FirebaseAnalytics.Param.ITEM_NAME, "<params>");
params.putString(FirebaseAnalytics.Param.CONTENT_TYPE, "<params>");
firebaseAnalytics.logEvent(FireBaseConsts.LOGIN, "<params>");

How to add content in this, If anyone knows the answer please help me.

Thank in advance