@ahmed.salem did you call using PumasUtilities? This function is part of that and not part of Pumas. See below:
julia> using Pumas
help?> metrics_table
search:
Couldn't find metrics_table
Perhaps you meant probstable
No documentation found.
Binding metrics_table does not exist.
julia> using PumasUtilities
help?> metrics_table
search: metrics_table
metrics_table(fitted_model; digits, sigdigits, latex)
Presents the fitted_model metrics in a formatted DataFrame for use in reporting.
Keywords
==========
• digits = 3 the number of significant digits to format number to.
• latex = false whether to display parameter names using $ for use in LaTeX tables.